The table below shows the number of tropical fish in tanks at Bob’s Fish Gallery. Each species of fish is in a separate tank.
What is the mean number of fish in a tank?
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1 point
23
27
27.5
28
Paloma made a list to track the number of minutes she spent practicing piano.
24, 18, 23, 25, 30, 32, 35, 28, 25, 32, 28, 24
What was her median practice time?
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1 point
25.5 minutes
26.5 minutes
27 minutes
27.5 minutes
Quincy listed the amounts he earned doing yard work.
$42, $38, $26, $32, $40, $34, $28, $32
How would deleting the least amount affect the mean and the median of his data?
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1 point
It would not change the mean or the median.
Both the mean and the median would increase
The mean would decrease and the median would increase
The mean would increase and the median would decrease.
Donald collects data about the number of pets the students in his class have. He wants to use one number to show how much the data in his set vary. What number could Donald use?
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1 point
mean
median
mode
range
A given data set has:
Mean - 26.5
Interquartile Range - 5.5
Minimum - 21
Maximum - 29
Which measure describes all the values in the data set?
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1 point
5.5
21
26.5
29
Kellen surveys 13 people about the number of cell phones they have owned. His data are shown.
0, 1, 1, 1, 2, 2, 2, 3, 3, 4, 5, 7, 8
Which box plot represents Kellen's data?
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1 point
A
B
C
D
Elena recorded the weights, in pounds, of the pumpkins she grew.
28, 25, 33, 27, 30, 27, 26, 25, 33, 27, 26, 27
Which dot plot shows the data?
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1 point
A
B
C
D
Louise weighed the backpacks of students when they arrived at class. The list below shows the weights, in pounds, of the backpacks.
8, 4, 7, 6, 0, 7, 11, 11, 3, 0, 4, 10, 6, 11, 10, 5, 7
Which histogram shows the data?
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1 point
A
B
C
D
Which type of data would be BEST displayed in a histogram?
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1 point
The number of students seen in a school clinic that wore braces
The number of college students from the dental school that volunteered their time last month
The number of dental chairs donated each month for the last 12 months (range: 1-9)
The number of fluoride treatments given to students each month for the last 60 months (range: 40-620)
Which type of data would be BEST displayed in a dot plot?
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1 point
The number of miles the dental clinic bus travelled each month for the last 60 months (range: 700-1875)
The number of students seen in a school clinic that did not have any cavities
The number of toothbrushes distributed each month for the last 24 months (range: 725-2450)
The number of dentists volunteering their time in each of the last 15 school dental clinics (range: 3-28)
The dot plot shows the number of pets in the homes of a class of sixth graders.
Which best describes the center (median) of the data?
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1 point
The data are centered around 0
The data are centered around 1
The data are centered around 2
The data are centered around 3
Which statement is not true about measures of variation for numerical data?
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1 point
A measure of variation describes the spread of the data with a single number.
The range is always greater than the interquartile range.
Different measures of variation always have different values.
The mean absolute deviation measures the average distance between each data value and the mean
Which is not a statistical question?
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1 point
How much did the corn plants grow last week?
What is the height of the tallest corn plant?
How much water did the corn plants get each day last month?
How tall are the corn plants?
Which is not a statistical question?
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1 point
How many people were surveyed in each state?
What was the first question in the survey?
How long did it take people to complete the survey?
Which questions received the most positive responses?
this is taking way to long to get answers
so please put answers
(Conexus)
3 answers