Answered: QUESTION A. State a conclusion about…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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HELP WITH QUESTIONS A & B THAT GO ALONG WITH PICTURE...

QUESTION A. State a conclusion about the null hypothesis. (Reject H0 or fail to reject H0.) Choose the correct answer below.

A. Fail to reject H0 because the P-value is greater than α.

B. Fail to reject H0 because the P-value is less than or equal to α.

C. Reject H0 because the P-value is greater than α.

D. Reject H0 because the P-value is less than or equal to α.

QUESTION B . Without using technical terms, state a final conclusion that addresses the original claim. Which of the following is the correct conclusion?

A. There is sufficient evidence to warrant rejection of the claim that the mean pulse rate (in beats per minute) of the group of adult males is 69 bpm.

B.There is not sufficient evidence to warrant rejection of the claim that the mean pulse rate (in beats per minute) of the group of adult males is 69 bpm.

C. The mean pulse rate (in beats per minute) of the group of adult males is not 69 bpm.

D. The mean pulse rate (in beats per minute) of the group of adult males is 69 bpm.

Assume a significance level of a = 0.1 and use the given information to complete parts (a) and (b) below.
Original claim: The mean pulse rate (in beats per minute) of a certain group of adult males is 69 bpm. The hypothesis test results in a
P-value of 0.0901.

Definition Definition Measure of central tendency that is the average of a given data set. The mean value is evaluated as the quotient of the sum of all observations by the sample size. The mean, in contrast to a median, is affected by extreme values. Very large or very small values can distract the mean from the center of the data. Arithmetic mean: The most common type of mean is the arithmetic mean. It is evaluated using the formula: μ = 1 N ∑ i = 1 N x i Other types of means are the geometric mean, logarithmic mean, and harmonic mean. Geometric mean: The nth root of the product of n observations from a data set is defined as the geometric mean of the set: G = x 1 x 2 ... x n n Logarithmic mean: The difference of the natural logarithms of the two numbers, divided by the difference between the numbers is the logarithmic mean of the two numbers. The logarithmic mean is used particularly in heat transfer and mass transfer. ln x 2 − ln x 1 x 2 − x 1 Harmonic mean: The inverse of the arithmetic mean of the inverses of all the numbers in a data set is the harmonic mean of the data. 1 1 x 1 + 1 x 2 + ...

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