Professor Jones took a random sample of 8 students and asked them how many times per week they dine out. The responses were:2234 556 7Find the 95% confidence interval for the population mean.Hint: You must first find the sample mean and standard deviation.OA. 3.0< u <5.5OB. 3.5< <4.7OC. 2.7< <5.8O.D. 3.2<<6.0

Number of students n=8 x: 2 , 2 ,3 ,4 , 5 , 5 , 6 ,7

Answered: Professor Jones took a random sample of…

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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tandard deviation for g nΣf X)- n(n-1 mb: s ran 4 s). A survey of 240 men found that 144 gamble. Another survey of 220 women found that 110 gamble. Let p₁ and p2 be the proportions of men and women who gamble, respectively. (a) Find the point estimate of p₁ - p2 and its maximum error E using a = (b) Construct a 95% confidence interval for pi - p2. (c) Test at a = = 0.05. €0.05 if the proportion of men who gambling is higher than that of women (p1-P2 > 0). (d) Find the P-value of this test. (e) Check if the assumptions for this test are satisfied.
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Dp4
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