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An experiment was conducted to determine whether giving candy to dining parties resulted in greater tips. The mean tip percentages and standard deviations are given in the accompanying table along with the sample sizes. Assume that the two samples are independent simple random samples selected from normally distributed populations, and do not assume that the population standard deviations are equal. Complete parts (a) and (b). No candy 33 18.13 1.39 Two candies H2 33 20.78 2.45 ..... OC. Ho: H2 OD. Ho: H1 =2 대# : H The test statistic, t, is (Round to two decimal places as needed.)

An experiment was conducted to determine whether giving candy to dining parties resulted in greater tips. The mean tip percentages and standard deviations are given in the accompanying table along with the sample sizes. Assume that the two samples are independent simple random samples selected from normally distributed populations, and do not assume that the population standard deviations are equal. Complete parts (a) and (b). No candy 33 18.13 1.39 Two candies H2 33 20.78 2.45 ..... OC. Ho: H2 OD. Ho: H1 =2 대# : H The test statistic, t, is (Round to two decimal places as needed.)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Questions 6, Part 1 and 6
An experiment was conducted to determine whether giving candy to dining parties resulted in greater tips. The mean tip percentages and standard deviations are given in the accompanying table along with the sample sizes. ASsume that the two samples are independent simple random samples selected from normally distributed populations, and do not assume that the population standard deviations are equal. Complete parts (a) and (b). No candy H1 33 18.13 1.39 Two candies H2 33 20.78 2.45 "0- 1- P2 Hyi Hy>Hz OC. Hoi H H2 O D. Ho: H1 = H2 H: H H2 H: <H2 The test statistic, t, is. (Round to two decimal places as needed.)
Transcribed Image Text:An experiment was conducted to determine whether giving candy to dining parties resulted in greater tips. The mean tip percentages and standard deviations are given in the accompanying table along with the sample sizes. ASsume that the two samples are independent simple random samples selected from normally distributed populations, and do not assume that the population standard deviations are equal. Complete parts (a) and (b). No candy H1 33 18.13 1.39 Two candies H2 33 20.78 2.45 "0- 1- P2 Hyi Hy>Hz OC. Hoi H H2 O D. Ho: H1 = H2 H: H H2 H: <H2 The test statistic, t, is. (Round to two decimal places as needed.)
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