Asked by im_bad_@_math
A large company wants to find out what team-building activity its employees prefer. Which of the following samples can give the most valid generalization?
A) All 624 female employees in the company
B) A group with 1 member from each department
C) 400 randomly chosen employees from the list of all employees
D) All employees who have worked in the company
A) All 624 female employees in the company
B) A group with 1 member from each department
C) 400 randomly chosen employees from the list of all employees
D) All employees who have worked in the company
Answers
Answered by
im_bad_@_math
A hotel maintenance crew wants to estimate how many of the 12000 lamps in their 30-story hotel need a new light bulb. Which of the following is a random sample of lamps to be inspected?
A) 400 lamps on the first 10 floors
B) All lamps from the rooms with a king sized bed
C) All lamps in booked rooms
D) 100 lamps per floor chosen randomly
A) 400 lamps on the first 10 floors
B) All lamps from the rooms with a king sized bed
C) All lamps in booked rooms
D) 100 lamps per floor chosen randomly
Answered by
im_bad_@_math
A local library manager surveys 80 patrons about the type of book they borrow when they visit the library. The manager finds that 3 patrons borrow novels. If the local library has 345 patrons, approximately how many of them borrow novels when they visit the library? Round your answer to the nearest whole number.
Answered by
im_bad_@_math
Group A- 18, 20, 46, 34, 58, 31, 41
Group B- 15, 21, 32, 42, 29, 57, 39
The table shows the times, in minutes, spent shopping by 2 different groups. First find the mean times each group spent shopping. Then determine the difference in the mean times. Round your answers to one decimal place.
The mean time group A spent shopping is _ minutes
The mean time group B spent shopping is _ minutes
Group B- 15, 21, 32, 42, 29, 57, 39
The table shows the times, in minutes, spent shopping by 2 different groups. First find the mean times each group spent shopping. Then determine the difference in the mean times. Round your answers to one decimal place.
The mean time group A spent shopping is _ minutes
The mean time group B spent shopping is _ minutes
Answered by
im_bad_@_math
Which data set has the highest median?
A) 1, 10, 8, 29, 14, 17, 3
B) 11, 15, 16, 8, 12, 14
C) 1, 6, 15, 7, 15, 18, 14
D) 8, 20, 13, 14, 12, 9
A) 1, 10, 8, 29, 14, 17, 3
B) 11, 15, 16, 8, 12, 14
C) 1, 6, 15, 7, 15, 18, 14
D) 8, 20, 13, 14, 12, 9
Answered by
im_bad_@_math
$150000-2
$220000-4
$490000-3
$540000-2
$800000-5
$975000-2
The values of several different houses on Lilac Street are displayed on the table above. What is the median value of these houses?
$220000-4
$490000-3
$540000-2
$800000-5
$975000-2
The values of several different houses on Lilac Street are displayed on the table above. What is the median value of these houses?
Answered by
im_bad_@_math
Theo, Ara, Jose, and Dana all got 100% on their latest math test. Their scores on the previous 6 tests are listed. Whose mean test score will increase the most?
A) Ara: 100, 98, 99, 97, 100, 100
B) Jose: 91, 93, 97, 96, 96, 96
C) Dana: 68, 74, 83, 80, 81, 82
D) Theo: 84, 88, 81, 85, 77, 76
A) Ara: 100, 98, 99, 97, 100, 100
B) Jose: 91, 93, 97, 96, 96, 96
C) Dana: 68, 74, 83, 80, 81, 82
D) Theo: 84, 88, 81, 85, 77, 76
Answered by
I'm_Also_Bad_@_Math
The stem-and-leaf plot shows the speeds of the fastest steel roller coasters in Europe. The table shows the speeds of the fastest steel roller coasters in North America.
Speeds of the Fastest Steel Roller Coasters in Europe (in miles per hour)
Stem Leaf
7 4 5 5 5
8 0 0 3 4 8
9 9
11 1 Key: 7|4=74 miles per hour
Speeds of the Fastest Steel Roller Coasters in North America (in miles per hour)
Canada 90 128 91
U.S. 93 120 100
Mexico 95 92 85
Find the range of the speeds of the fastest steel roller coasters on both continents.
The range of the speeds of the fastest steel roller coasters in Europe is _
mph. The range of the speeds of the fastest steel roller coasters in North America is _
mph.
Speeds of the Fastest Steel Roller Coasters in Europe (in miles per hour)
Stem Leaf
7 4 5 5 5
8 0 0 3 4 8
9 9
11 1 Key: 7|4=74 miles per hour
Speeds of the Fastest Steel Roller Coasters in North America (in miles per hour)
Canada 90 128 91
U.S. 93 120 100
Mexico 95 92 85
Find the range of the speeds of the fastest steel roller coasters on both continents.
The range of the speeds of the fastest steel roller coasters in Europe is _
mph. The range of the speeds of the fastest steel roller coasters in North America is _
mph.
Answered by
I'm_Also_Bad_@_Math
Anthony wants to know the average daily high temperatures in his town during the summer. He chose two random samples of 10 consecutive days and recorded the daily high temperatures. The daily high temperatures in Fahrenheit are as follows.
Sample 1: 78 82 85 87 90 85 79 86 91 88
Sample 2: 81 79 80 86 89 92 82 88 84 87
Find the mean daily high temperatures of each sample and calculate the difference between these mean daily high temperatures.
The mean daily high temperature of Sample 1 is _
°.
The mean daily high temperature of Sample 2 is _
°.
The mean daily high temperatures of the two samples differ by _
°.
Sample 1: 78 82 85 87 90 85 79 86 91 88
Sample 2: 81 79 80 86 89 92 82 88 84 87
Find the mean daily high temperatures of each sample and calculate the difference between these mean daily high temperatures.
The mean daily high temperature of Sample 1 is _
°.
The mean daily high temperature of Sample 2 is _
°.
The mean daily high temperatures of the two samples differ by _
°.
Answered by
I'm_Also_Bad_@_Math
The data from two random samples of 100 students regarding what pet they own is given below.
Dog Cat Bird Total
Sample 1 54 38 8 100
Sample 2 39 49 12 100
Based on the two samples, what percentage of students own a bird as a pet?
Dog Cat Bird Total
Sample 1 54 38 8 100
Sample 2 39 49 12 100
Based on the two samples, what percentage of students own a bird as a pet?
Answered by
I'm_Also_Bad_@_Math
These are the scores for two randomly selected lacrosse teams. Find the range of the number of goals scored by each team. Based on the range, which team has a more consistent number of goals scored?
Lacrosse Team 1: 6 0 4 17 3 12
Lacrosse Team 2: 23 14 22 14 17 22
The range of the number of goals scored by Lacrosse Team 1 is _
. The range of the number of goals scored by Lacrosse Team 2 is _
. Based on the range, Lacrosse Team _
has a more consistent number of goals scored.
Lacrosse Team 1: 6 0 4 17 3 12
Lacrosse Team 2: 23 14 22 14 17 22
The range of the number of goals scored by Lacrosse Team 1 is _
. The range of the number of goals scored by Lacrosse Team 2 is _
. Based on the range, Lacrosse Team _
has a more consistent number of goals scored.
Answered by
I'm_Also_Bad_@_Math
Use the image to answer the question.
An illustration shows two sets of dot plots. One is titled Gas Mileage in miles per gallon, Cars and the other is Gas Mileage in miles per gallon, S U Vs. The plots are shown as dots in a vertical row over each number on a number line. For Cars, a number line with arrows on both ends ranges from 18 to 22 in increments of 1. There is 1 dot above 18, 2 dots above 19, 3 dots above 20, 2 dots above 21, and 1 dot above 22. For S U Vs, a number line with arrows on both ends ranges from 21 to 25 in increments of 1. There is 1 dot above 21, 1 dot above 22, 2 dots above 23, 2 dots above 24, and 3 dots above 25.
The dot plots show the gas mileage for randomly selected cars and SUVs. Which data values do both distributions have in common?
The data value in common for both distributions with the lowest number is _
.
The data value in common for both distributions for the highest number is _
.
An illustration shows two sets of dot plots. One is titled Gas Mileage in miles per gallon, Cars and the other is Gas Mileage in miles per gallon, S U Vs. The plots are shown as dots in a vertical row over each number on a number line. For Cars, a number line with arrows on both ends ranges from 18 to 22 in increments of 1. There is 1 dot above 18, 2 dots above 19, 3 dots above 20, 2 dots above 21, and 1 dot above 22. For S U Vs, a number line with arrows on both ends ranges from 21 to 25 in increments of 1. There is 1 dot above 21, 1 dot above 22, 2 dots above 23, 2 dots above 24, and 3 dots above 25.
The dot plots show the gas mileage for randomly selected cars and SUVs. Which data values do both distributions have in common?
The data value in common for both distributions with the lowest number is _
.
The data value in common for both distributions for the highest number is _
.
Answered by
I'm_Also_Bad_@_Math
Are you sure?
Answered by
I'm_Also_Bad_@_Math
Fifteen students are randomly selected from two different classes. They were asked how many books they read during the summer. Their responses are as follows. Find the median number of books read by each class. Which class has a higher median number of books read?
Class 1: 0, 5, 3, 6, 7, 8, 10, 1, 1, 4, 5, 6, 4, 5, 6
Class 2: 2, 2, 4, 3, 0, 0, 6, 7, 10, 9, 6, 5, 3, 1, 2
The median number of books read during the summer by Class 1 is _
.
The median number of books read during the summer by Class 2 is _
.
Class _
has a higher median number of books read during the summer.
Class 1: 0, 5, 3, 6, 7, 8, 10, 1, 1, 4, 5, 6, 4, 5, 6
Class 2: 2, 2, 4, 3, 0, 0, 6, 7, 10, 9, 6, 5, 3, 1, 2
The median number of books read during the summer by Class 1 is _
.
The median number of books read during the summer by Class 2 is _
.
Class _
has a higher median number of books read during the summer.
Answered by
I'm_Also_Bad_@_Math
The ages of randomly selected employees at two companies are recorded. Their ages are as follows.
Company A: 34, 28, 36, 27, 45, 44, 30, 42, 41, 40, 50, 48, 52, 45, 39, 38
Company B: 29, 32, 48, 51, 49, 37, 33, 35, 36, 40, 45, 48, 43, 43, 44, 48
Which of the following statements is true?
The mean age of employees from Company A is higher than the mean age of employees from Company B.
The median age of employees from Company A is lower than the median age of employees from Company B.
The range of ages of employees from Company A is higher than the range of ages of employees from Company B.
Responses
statements 1, 2, and 3
statements 1, 2, and 3
statements 1 and 3
statements 1 and 3
statements 2 and 3
statements 2 and 3
statements 1 and 2
Company A: 34, 28, 36, 27, 45, 44, 30, 42, 41, 40, 50, 48, 52, 45, 39, 38
Company B: 29, 32, 48, 51, 49, 37, 33, 35, 36, 40, 45, 48, 43, 43, 44, 48
Which of the following statements is true?
The mean age of employees from Company A is higher than the mean age of employees from Company B.
The median age of employees from Company A is lower than the median age of employees from Company B.
The range of ages of employees from Company A is higher than the range of ages of employees from Company B.
Responses
statements 1, 2, and 3
statements 1, 2, and 3
statements 1 and 3
statements 1 and 3
statements 2 and 3
statements 2 and 3
statements 1 and 2
Answer
Fifteen students are randomly selected from two different classes. They were asked how many books they read during the summer. Their responses are as follows. Find the median number of books read by each class. Which class has a higher median number of books read?
Class 1: 0, 5, 3, 6, 7, 8, 10, 1, 1, 4, 5, 6, 4, 5, 6
Class 2: 2, 2, 4, 3, 0, 0, 6, 7, 10, 9, 6, 5, 3, 1, 2
(2 points)
Class 1: 0, 5, 3, 6, 7, 8, 10, 1, 1, 4, 5, 6, 4, 5, 6
Class 2: 2, 2, 4, 3, 0, 0, 6, 7, 10, 9, 6, 5, 3, 1, 2
(2 points)
Answer
Bot
Answered by
burlapper
Bot, please answer the question
Answered by
math
The ages of randomly selected employees at two companies are recorded. Their ages are as follows.
Company A: 34, 28, 36, 27, 45, 44, 30, 42, 41, 40, 50, 48, 52, 45, 39, 38
Company B: 29, 32, 48, 51, 49, 37, 33, 35, 36, 40, 45, 48, 43, 43, 44, 48
Which of the following statements is true?
The mean age of employees from Company A is higher than the mean age of employees from Company B.
The median age of employees from Company A is lower than the median age of employees from Company B.
The range of ages of employees from Company A is higher than the range of ages of employees from Company B.
Responses
statements 1, 2, and 3
statements 1, 2, and 3
statements 1 and 3
statements 1 and 3
statements 2 and 3
statements 2 and 3
statements 1 and 2
@bot
Company A: 34, 28, 36, 27, 45, 44, 30, 42, 41, 40, 50, 48, 52, 45, 39, 38
Company B: 29, 32, 48, 51, 49, 37, 33, 35, 36, 40, 45, 48, 43, 43, 44, 48
Which of the following statements is true?
The mean age of employees from Company A is higher than the mean age of employees from Company B.
The median age of employees from Company A is lower than the median age of employees from Company B.
The range of ages of employees from Company A is higher than the range of ages of employees from Company B.
Responses
statements 1, 2, and 3
statements 1, 2, and 3
statements 1 and 3
statements 1 and 3
statements 2 and 3
statements 2 and 3
statements 1 and 2
@bot
Answered by
....
The ages of randomly selected employees at two companies are recorded. Their ages are as follows.
Company A: 34, 28, 36, 27, 45, 44, 30, 42, 41, 40, 50, 48, 52, 45, 39, 38
Company B: 29, 32, 48, 51, 49, 37, 33, 35, 36, 40, 45, 48, 43, 43, 44, 48
Which of the following statements is true?
The mean age of employees from Company A is higher than the mean age of employees from Company B.
The median age of employees from Company A is lower than the median age of employees from Company B.
The range of ages of employees from Company A is higher than the range of ages of employees from Company B.
Responses
statements 1, 2, and 3
statements 1, 2, and 3
statements 1 and 3
statements 1 and 3
statements 2 and 3
statements 2 and 3
statements 1 and 2
Company A: 34, 28, 36, 27, 45, 44, 30, 42, 41, 40, 50, 48, 52, 45, 39, 38
Company B: 29, 32, 48, 51, 49, 37, 33, 35, 36, 40, 45, 48, 43, 43, 44, 48
Which of the following statements is true?
The mean age of employees from Company A is higher than the mean age of employees from Company B.
The median age of employees from Company A is lower than the median age of employees from Company B.
The range of ages of employees from Company A is higher than the range of ages of employees from Company B.
Responses
statements 1, 2, and 3
statements 1, 2, and 3
statements 1 and 3
statements 1 and 3
statements 2 and 3
statements 2 and 3
statements 1 and 2
Answered by
questions
hey bot can you help me
Answered by
questions
bot
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