Answered: (c)Compute the test value. Round the…

Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)

6th Edition

ISBN:9781337111348

Author:Bruce Crauder, Benny Evans, Alan Noell

Publisher:Bruce Crauder, Benny Evans, Alan Noell

Chapter5: A Survey Of Other Common Functions

Section5.6: Higher-degree Polynomials And Rational Functions

Problem 5E: Population Genetics In the study of population genetics, an important measure of inbreeding is the...

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Retention Test Scores A sample of non-English majors at a selected college was used in a study to see if the student retained more from reading a 19th -century novel or by watching it in DVD form. Each student was assigned one novel to read and a different one to watch, and then they were given a 100 -point written quiz on each novel. Assume the variables are normally distributed. The test results are shown below.

Book	88	73	91	85	93	95	90	90	80	90
DVD	80	95	95	92	93	80	92	75	70	80

(a)H0: ▼(Choose one) claim/not claim

H1: ▼(Choose one) claim/not claim

This hypothesis test is a ▼(Choose one) one tailed/two tailed test.

(b) Find the critical value(s). Round the answer(s) to at least three decimal places. If there is more than one critical value, separate them with commas.

Critical value

(c)Compute the test value. Round the answer to at least 3
decimal places, if necessary.

(d) Make the decision.

▼(Choose one) reject/do not reject the null hypothesis.

(e) Summarize the results.

There ▼(Choose one) enough evidence to reject the null hypothesis that the book scores are equal to DVD scores.

Features Features Normal distribution is characterized by two parameters, mean (µ) and standard deviation (σ). When graphed, the mean represents the center of the bell curve and the graph is perfectly symmetric about the center. The mean, median, and mode are all equal for a normal distribution. The standard deviation measures the data's spread from the center. The higher the standard deviation, the more the data is spread out and the flatter the bell curve looks. Variance is another commonly used measure of the spread of the distribution and is equal to the square of the standard deviation.

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