Ask a New Question

If the average (xbar) on

QUESTIONA sample of 5 observations collected in a regression study on two variables, x(independent variable) and y(dependent
1. 0 answers
2. asked by Marie
3. 598 views
probability and statisticsa z score is z = x - xbar divided by s which is standard deviation s = 6.36 x = ? xbar = 54.8 the x is
1. 1 answer
2. asked by emily
3. 405 views
The random variable X has a binomial distribution with the probability of a success being 0.2 and the number of independent
1. 1 answer
2. asked by Heidi Joy
3. 1,212 views
If the average (xbar) on an assignment in a class was 82% with a standard deviation (s) of 4.8, what is the z-score for someone
1. 2 answers
2. asked by brittany
3. 399 views
An investor wants to determine the true average yield on a selection of investments from the Business week 1000. Suppose the
1. 0 answers
2. asked by Angela
3. 415 views
Suppose a certain species bird has an average weight of xbar 3.40 grams. Based on previous studies, we can assume that the
1. 2 answers
2. asked by John
3. 3,493 views
If n=36, s=9 and t=2, what is the values of Xbar?
1. 1 answer
2. asked by Anonymous
3. 848 views
population with a mean of 53.1 and standard deviation of 4.43 Calculate z score for xbar 49.8 from a sample of size 11Someone
1. 1 answer
2. asked by amy
3. 700 views
HO: µ = 70H1: µ > 70 ó = 20, n = 100, xbar = 80, á = .01 a) calculate the value of the test statistic b) set up the
1. 1 answer
2. asked by Tom
3. 388 views
Use the data given to test the following hupotheses. Assume the data are normally distributed in the population.Ho: M=7.48
1. 2 answers
2. asked by daniel
3. 980 views