QuestionA doctor keeps track of the number of babies she delivers in each season. She expects that the distribution will be uniform(the same number of babies in each season). The data she collects is shown in the table below. Find the test statistic, XxG, forthe chi-square goodness-of-fit test. Round the final answer to three decimal places.(0 – E)?EkSeasonSpr SummFallWintExpected34343434Observed41183740Provide your answer below:chi-square test statistic= 1.212

Test is that whether or not the distribution of number of babies in each season is uniform.

Answered: A doctor keeps track of the number 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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A survey was conducted two years ago asking college students their top motivations for using a credit card. You think this distribution has changed. You randomly select 425 college students and ask each one what the top motivation is for using a credit card. Can you conclude that there has been a change in the distribution? Use a = 0.025. Complete parts (a) through (d). Response Old Survey % 29% New Survey Frequency, f Rewards 110 Low rates Cash back Discounts 23% 96 21% 109 7% 46 Other 20% 64 O B. The distribution of motivations is 110 rewards, 96 low rate, 109 cash back, 46 discounts, and 64 other. O C. The distribution of motivations is 29% rewards, 23% low rate, 21% cash back, 7% discounts, and 20% other. Which hypothesis is the claim? o Ho (b) Determine the critical value, Yo, and the rejection region. X = 11.143 (Round to three decimal places as needed.) Choose the correct rejection region below. Oc. X
Find the margin of error for the given values of c, s, and n. c%3D0.95, s%3D3.6 , n 16 F Click the icon to view the t-distribution table. The margin of error is (Round to one decimal place as needed.) Get more help-
Find the percentile rank for each value in the data set. The data represent the values in billions of dollars of the damage of 6 hurricanes. Round to the nearest whole percentile. 2.3, 3.3, 6.2, 7.9, 9.6,11.3
Carmen and Rosanna are two employees in an electronics store. The store manager has put an emphasis on increasing the number of applications for the store credit card. The manager randomly selected 24 weeks for each employee and recorded the number of completed applications for each week, which is provided in the samples below. Each employee completed 21 applications in one of the weeks selected. Use Excel to calculate each employee's z-score for completing 21 applications. Round your answers to two decimal places. Carmen Rosanna11 56 1115 613 185 1114 1416 521 208 1110 97 1416 1513 1310 619 2118 95 1817 310 126 1712 1214 419 1017 8
Determine whether the data is from a primary or secondary source. Primary Secondary
Describe the data’s distribution. Number of products owned Millions of People 0 27 1 9 2 7 3-4 7 5 5
Use the expression in the accompanying discussion of sample size to find the size of each sample if you want to estimate the difference between proportions of men and women who own smartphones. Assume that you want 95% confidence that your error is no more than 0.03.
Determine the mean of the data.
The five-number summary for a set of data is given below. Min Q1 Median Q3 Max 80 81 85 92 95 What is the interquartile range of the set of data?
Assume that the readings on the thermometers are normally distributed with a mean of 0° and standard deviation of 1.00°C. A thermometer is randomly selected and tested. Draw a sketch and find the temperature reading corresponding to P34, the 84th percentile. This is the temperature reading separating the bottom 84% from the top 16%. Click to view page 1 of the table. Click to view page 2 of the table. Which graph represents P ? Choose the correct graph below. 84 A. В. OC. D. Ay X The temperature for P84 is approximately (Round to two decimal places as needed.)

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