Harold Nelson recently changed the price of a cup of latte. He would like to understand the latte sales better after the price change. Firstly, he decided to find out the confidence interval for daily latte sales after the price change. Using a t-distribution, calculate the 95% confidence interval for the true mean of daily latte sales using the data sample collected in Table 2. Table 2. Latte sales per day Date Latte sales (in cups) Day 1 106 Day 2 119 Day 3 110 Day 4 130 Day 5 122 Day 6 105 Day 7 Day & 102 Day 111 What is the lower limit of this 95% confidence interval? Round to the nearest integer

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 22PFA
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Harold Nelson recently changed the price of a cup of latte. He would like to understand the latte sales better
after the price change. Firstly, he decided to find out the confidence interval for daily latte sales after the price
change. Using a t-distribution, calculate the 95% confidence interval for the true mean of daily latte sales using
the data sample collected in Table 2.
Table 2. Latte sales per day
pate Latte sales (in cups)
Day 1
106
Day 2 119
Day 3 110
Day 4
130
Day 5 122
Day 6
105
Day 7 be
Day & 102
Day 111
What is the lower limit of this 95% confidence interval?
Round to the nearest integer.
Transcribed Image Text:Harold Nelson recently changed the price of a cup of latte. He would like to understand the latte sales better after the price change. Firstly, he decided to find out the confidence interval for daily latte sales after the price change. Using a t-distribution, calculate the 95% confidence interval for the true mean of daily latte sales using the data sample collected in Table 2. Table 2. Latte sales per day pate Latte sales (in cups) Day 1 106 Day 2 119 Day 3 110 Day 4 130 Day 5 122 Day 6 105 Day 7 be Day & 102 Day 111 What is the lower limit of this 95% confidence interval? Round to the nearest integer.
What is the upper limit of this 95% confidence interval?
Round to the nearest integer.
Transcribed Image Text:What is the upper limit of this 95% confidence interval? Round to the nearest integer.
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