Q2Fifteen adults of males between age of 35 and 50 participated in a study to evaluate theeffect of diet and exercise on blood cholesterol level. The total cholesterol was measure ineach subject initially and then three month after participating in aerobic exercise programand switching to low fight diet. The data are shown in the table below:Before 256 240 258 295 251 205 238 247 225 294 238 229After229 231 227 234 218 218 230 243 221 240 219 211a. Do the data support the claim that low fat diet and aerobic exercises are of value inproducing a mean reduction in blood cholesterol level at 5 % level of significance?(show all steps of hypothesis testing)b. Construct a one sided confidence interval that can be used to answer the question inpart a.Check the results obtained in part a using R-Studio. Write your conclusion based onthe p-value obtained in R studio.C.

Let the paired observations be denoted by xi,yi where xi denotes the ith observation before the…

Answered: Fifteen adults of males between age of…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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A study of emergency service facilities investigated the relationship between the number of facilities and the average distance traveled to provide the emergency service. The following table gives the data collected.
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A group of 100 people, who lived at varying distances (in kilometers) from an island nuclear power station, were asked if they thought a full evacuation of the area was required, when it went critical. The researches wanted to know if the opinion to evacuate or not depended on how far from the reactor people lived. Partial results of the questionnaire are shown in the table below. 0-3 km distance 3 -6 km distance 6 -9 km distance 9- 12 km distance Totals Evacuation needed X X X 51 Evacuation not X X XX needed Totals 28 28 23 XX XX You are doing a Chi Square test for independence. What is the expected value of the number of people living within a radius of 0-3 km who would say that evacuation was needed? XX denotes row/column totals. Give your answer to 2 decimal places.

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