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b) Create a 95% confidence interval for the average number of chips in bags of Chips Ahoy! cookies. chips (Round to one decimal place as needed.)

b) Create a 95% confidence interval for the average number of chips in bags of Chips Ahoy! cookies. chips (Round to one decimal place as needed.)

MATLAB: An Introduction with Applications
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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In 1998, as an advertising campaign, the Nabisco Company announced a "1000 Chips Challenge," claiming that every 18-ounce bag of their Chips Ahoy! cookies contained at least 1000 chocolate chips. Dedicated statistics students at the Air Force Academy (no kidding) purchased some randomly selected bags of cookies and counted the chocolate chips. Some of their data are given below. Complete parts (a) through (c) below. 1270 1244 a) Check the assumptions and conditions for inference. Check the data for independence. Choose the correct answer below. A. 0+ 900 1356 1132 Chips 1600 OA. The sample is less than 10% of the population, so one can assume that the data are independent. B. The data are from a random sample, so one can assume that they are independent. OC. The data are from a random sample, so one can assume that they are not independent. OD. The sample is less than 10% of the population, so one can assume that the data are not independent. Construct a histogram of the data. Choose the correct graph below. 1087 1258 Q Q OB. 0+ 900 Chips Evaluate the histogram. Choose the correct answer below. 1600 1135 1121 Q C O.C. 1419 1345 0+ 900 Chips 1600 1214 1191 O D. 0+ 900 H Chips 1295 1325 1600 Q Q G OA. The histogram is roughly bimodal and asymmetric, so one can assume that the data come from a population that follows a t-Student's model. B. The histogram is roughly unimodal and symmetric, with no outliers, so one can assume that the data come from a population that follows a Normal model. C. The histogram is roughly unimodal and asymmetric, so one can assume that the data come from a population that follows a t-Student's model. OD. The histogram is roughly bimodal and symmetric, with no outliers, so one can assume that the data come from a population that follows a Normal model. b) Create a 95% confidence interval for the average number of chips in bags of Chips Ahoy! cookies. chips (Round to one decimal place as needed.) D
Transcribed Image Text:In 1998, as an advertising campaign, the Nabisco Company announced a "1000 Chips Challenge," claiming that every 18-ounce bag of their Chips Ahoy! cookies contained at least 1000 chocolate chips. Dedicated statistics students at the Air Force Academy (no kidding) purchased some randomly selected bags of cookies and counted the chocolate chips. Some of their data are given below. Complete parts (a) through (c) below. 1270 1244 a) Check the assumptions and conditions for inference. Check the data for independence. Choose the correct answer below. A. 0+ 900 1356 1132 Chips 1600 OA. The sample is less than 10% of the population, so one can assume that the data are independent. B. The data are from a random sample, so one can assume that they are independent. OC. The data are from a random sample, so one can assume that they are not independent. OD. The sample is less than 10% of the population, so one can assume that the data are not independent. Construct a histogram of the data. Choose the correct graph below. 1087 1258 Q Q OB. 0+ 900 Chips Evaluate the histogram. Choose the correct answer below. 1600 1135 1121 Q C O.C. 1419 1345 0+ 900 Chips 1600 1214 1191 O D. 0+ 900 H Chips 1295 1325 1600 Q Q G OA. The histogram is roughly bimodal and asymmetric, so one can assume that the data come from a population that follows a t-Student's model. B. The histogram is roughly unimodal and symmetric, with no outliers, so one can assume that the data come from a population that follows a Normal model. C. The histogram is roughly unimodal and asymmetric, so one can assume that the data come from a population that follows a t-Student's model. OD. The histogram is roughly bimodal and symmetric, with no outliers, so one can assume that the data come from a population that follows a Normal model. b) Create a 95% confidence interval for the average number of chips in bags of Chips Ahoy! cookies. chips (Round to one decimal place as needed.) D
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