Math

StatisticsQ&A LibraryA. A population has a mean of 6.9 and standard deviation of 2.6. Find the value that has 80% of the population below it. (in other words, the 80th percentile). B. A population has mean of 53 and a standard deviation of 34. Find the value that has 35% of the population above it.Question

**A.** A population has a mean of 6.9 and standard deviation of 2.6. Find the value that has 80% of the population below it. (in other words, the 80th percentile).

**B.** A population has mean of 53 and a standard deviation of 34. Find the value that has 35% of the population above it.

Tagged in

Find answers to questions asked by student like you

Show more Q&A

Q: Assume that a populatio of thousands of people whose responses were used to develop the anxiety test...

A: Hey, since there multiple subparts posted, we will answer first three subparts. If you want any spec...

Q: A contingency table for injuries in the United states, by circumstances and gender, is a follows. Fr...

A: Calculation for part (a):The contingency table is given for injuries.For any event A, the probabilit...

Q: A researcher wants to investigate whether mindfulness training improves ability for employees to not...

A: Solution:This have 3 levels of disposition and 2 groups of factors. Thus, this problem refers to 32 ...

Q: What is the “third factor” problem concerning correlational studies as it relates to inferring causa...

A: The correlation between any two variables is the linear relationship between those variables, but it...

Q: Select the statistic test that best fits each description. Study examining how much of the variation...

A: Regression:Regression analysis explains whether two variables are related or not and correlation exp...

Q: To open a combination lock, you turn the dial to the right and stop at a number; then you turn it to...

A: Combination Rule:A combination is a selection of all or part of a set of objects, without regard to ...

Q: A machine in the student lounge dispenses coffee. The average cup of coffee is supposed to contain 7...

A: The provided information are:

Q: What determines whether a post hoc test is used in a one-way ANOVA calculation? Be specific.

A: ANOVA is generally used to analyze the significant differences among group means. Here we apply F-t...

Q: For a correlation of -.64 between X and Y, each 1 _SD change in Zx corresponds to a predicted change...

A: It is provided that the correlation between X and Y is -0.64. So, r = -0.64.We have the relation, Zy...