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1. From a sample of 250 pet owners, 104 indicate that they buy their pet food in brick-and-mortar stores. a. Write the value of the sample statistic to three decimal places, using correct notation. Show your calculation here. b. Define the parameter this sample statistic estimates. I c. An estimate of the standard error for this statistic is 0.03117. Find a 95% confidence interval to three decimal places for the parameter defined here. Show all calculations. d. Interpret the 95% confidence interval in context. e. Which of the following best explains the meaning of 95% confidence in this question? Check only one. The proportion of 95% of all pet owners who buy their pet food in brick-and-mortar stores is in the interval. The proportion of 95% of the pet owners in this sample who buy their pet food in brick-and- mortar stores is in the interval. There is a 95% chance that the proportion of all pet owners who buy their pet food in brick and mortar stores is in this interval. □ 95% of all interval estimates found using this methodology contain the true value of the parameter.

1. From a sample of 250 pet owners, 104 indicate that they buy their pet food in brick-and-mortar stores. a. Write the value of the sample statistic to three decimal places, using correct notation. Show your calculation here. b. Define the parameter this sample statistic estimates. I c. An estimate of the standard error for this statistic is 0.03117. Find a 95% confidence interval to three decimal places for the parameter defined here. Show all calculations. d. Interpret the 95% confidence interval in context. e. Which of the following best explains the meaning of 95% confidence in this question? Check only one. The proportion of 95% of all pet owners who buy their pet food in brick-and-mortar stores is in the interval. The proportion of 95% of the pet owners in this sample who buy their pet food in brick-and- mortar stores is in the interval. There is a 95% chance that the proportion of all pet owners who buy their pet food in brick and mortar stores is in this interval. □ 95% of all interval estimates found using this methodology contain the true value of the parameter.

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
Section10.5: Comparing Sets Of Data
Problem 13PPS
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8:30 mp8kvdclv7DQ0Q2QfaVZMB/view 1. From a sample of 250 pet owners, 104 indicate that they buy their pet food in brick-and-mortar stores. a. Write the value of the sample statistic to three decimal places, using correct notation. Show your calculation here. b. Define the parameter this sample statistic estimates. I c. An estimate of the standard error for this statistic is 0.03117. Find a 95% confidence interval to three decimal places for the parameter defined here. Show all calculations. d. Interpret the 95% confidence interval in context. e. Which of the following best explains the meaning of 95% confidence in this question? Check only one. The proportion of 95% of all pet owners who buy their pet food in brick-and-mortar stores is in the interval. The proportion of 95% of the pet owners in this sample who buy their pet food in brick-and- mortar stores is in the interval. There is a 95% chance that the proportion of all pet owners who buy their pet food in brick and mortar stores is in this interval. 95% of all interval estimates found using this methodology contain the true value of the parameter. MATH 1342 Page 1 of 2 34 Sections 3.1-3.2 MacBook Air
Transcribed Image Text:8:30 mp8kvdclv7DQ0Q2QfaVZMB/view 1. From a sample of 250 pet owners, 104 indicate that they buy their pet food in brick-and-mortar stores. a. Write the value of the sample statistic to three decimal places, using correct notation. Show your calculation here. b. Define the parameter this sample statistic estimates. I c. An estimate of the standard error for this statistic is 0.03117. Find a 95% confidence interval to three decimal places for the parameter defined here. Show all calculations. d. Interpret the 95% confidence interval in context. e. Which of the following best explains the meaning of 95% confidence in this question? Check only one. The proportion of 95% of all pet owners who buy their pet food in brick-and-mortar stores is in the interval. The proportion of 95% of the pet owners in this sample who buy their pet food in brick-and- mortar stores is in the interval. There is a 95% chance that the proportion of all pet owners who buy their pet food in brick and mortar stores is in this interval. 95% of all interval estimates found using this methodology contain the true value of the parameter. MATH 1342 Page 1 of 2 34 Sections 3.1-3.2 MacBook Air
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