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45. What is the length of the confidence interval given the following data: o = 0.5, n = 70, confidence level = 95%? A. 0.17 B. 0.18 C. 0.19 D. 0.23 46. Which formula is used in determining the minimum size needed when estimating the population mean? A. 2/2 B. C. E D. For numbers 47 to 49, refer to the given problem. A survey on 200 GAS students of Masipag Senior High School shows that they read on an average of 15. 7 hours per week. The margin of error is 2.4 hours at a 95% confidence level. 47. What is the value of the margin of error? А. 2.2 В. 2.4 С. 15.7 D. 16.3

45. What is the length of the confidence interval given the following data: o = 0.5, n = 70, confidence level = 95%? A. 0.17 B. 0.18 C. 0.19 D. 0.23 46. Which formula is used in determining the minimum size needed when estimating the population mean? A. 2/2 B. C. E D. For numbers 47 to 49, refer to the given problem. A survey on 200 GAS students of Masipag Senior High School shows that they read on an average of 15. 7 hours per week. The margin of error is 2.4 hours at a 95% confidence level. 47. What is the value of the margin of error? А. 2.2 В. 2.4 С. 15.7 D. 16.3

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
Section: Chapter Questions
Problem 22SGR
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NOTE: PLEASE ANSWER THE LAST 3 NUMBERS 45-47
41. Given an area of 0.01 and degrees of freedom of 9, what is the t-value? C. 2.764 A. 2.681 B. 2.718 D. 2.821 42. What is the 90h percentile of the t-distribution with 10 degrees of freedom? В. 1.372 A. 1.363 С. 1.383 D. 1.812 43. To what percentile of the t-distribution does 2.583 belong to if the sample size is 17? A. 75h B. 90 C. 95h D. 99th 44. Which formula is to be used in finding the length of a confidence interval? B.LCI = 2t () A. LCI =|LCL-UCLI C. LCI = 2za/2 D. all of them 45. What is the length of the confidence interval given the following data: a = 0.5, n = 70, confidence level = 95%? A. 0.17 B. 0.18 C. 0.19 D. 0.23 46. Which formula is used in determining the minimum size needed when estimating the population mean? A. B. C. E D. For numbers 47 to 49, refer to the given problem. A survey on 200 GAS students of Masipag Senior High School shows that they read on an average of 15. 7 hours per week. The margin of error is 2.4 hours at a 95% confidence level. 47. What is the value of the margin of error? A. 2.2 В. 2.4 С. 15.7 D. 16.3
Transcribed Image Text:41. Given an area of 0.01 and degrees of freedom of 9, what is the t-value? C. 2.764 A. 2.681 B. 2.718 D. 2.821 42. What is the 90h percentile of the t-distribution with 10 degrees of freedom? В. 1.372 A. 1.363 С. 1.383 D. 1.812 43. To what percentile of the t-distribution does 2.583 belong to if the sample size is 17? A. 75h B. 90 C. 95h D. 99th 44. Which formula is to be used in finding the length of a confidence interval? B.LCI = 2t () A. LCI =|LCL-UCLI C. LCI = 2za/2 D. all of them 45. What is the length of the confidence interval given the following data: a = 0.5, n = 70, confidence level = 95%? A. 0.17 B. 0.18 C. 0.19 D. 0.23 46. Which formula is used in determining the minimum size needed when estimating the population mean? A. B. C. E D. For numbers 47 to 49, refer to the given problem. A survey on 200 GAS students of Masipag Senior High School shows that they read on an average of 15. 7 hours per week. The margin of error is 2.4 hours at a 95% confidence level. 47. What is the value of the margin of error? A. 2.2 В. 2.4 С. 15.7 D. 16.3
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