A middle school teacher believes that a reading rewards program results in a higher number of pages read per yearafter the program is completed. The teacher chooses a simple random sample of students and records the number ofpages read per year before starting the program and after the program is completed. The results of the study arebelowWhat are the population parameters?PickBefore813.25192250.25 182875.22After904.95 What is the level of significance? Ex: 0.12MeanVarianceObservationsHypothesized Mean Difference100100Is the two-sample hypothesis test a paired or unpaired t-test? Pick198t StatP[T< t) one-tailtCitical one-tailP[T<=t) two-tailt Critical two talConfidence LevelWhat is the null hypothesis Ho? Pick0.0681.653What is the alternative hypothesis H.? Pick1.97295%Should Ho be rejected or does Ho fail to be rejected? PickWhat conclusion can be drawn from the data?Pickv evidence exists to support the claim that the mean number of pages read per year after the prohigher than before the program.2.

A middle school teacher believes that a reading rewards program results in a higher number of pages read per year after the program is completed. The teacher chooses a simple random sample of students and records the number of pages read per year before starting the program and after the program is completed. The results of the study are below. What are the population parameters? Pick Before After 904.95 What is the level of significance? Мean 813.25 Ex: 0.12 Variance 192250.25 182875.22 Observations 100 100 Is the two-sample hypothesis test a paired or unpaired t-test? Pick Hypothesized Mean Difference df EStat P(T<=t) one-tail 198 1.497 What is the null hypothesis Ho? Pick 0.068 Critical one-tail 1.653 What is the alternative hypothesis H.? Pick (T<=t) two-tail Critical two-tail onfidence Level 0.136 1.972 95% chould Ho be rejected or does Ho fail to be rejected? Pick /hat conclusion can be drawn from the data? Pick v evidence exists to support the claim that the mean number of pages read per year after the pr higher than before the program. 2

A middle school teacher believes that a reading rewards program results in a higher number of pages read per year after the program is completed. The teacher chooses a simple random sample of students and records the number of pages read per year before starting the program and after the program is completed. The results of the study are below. What are the population parameters? Pick Before After 904.95 What is the level of significance? Мean 813.25 Ex: 0.12 Variance 192250.25 182875.22 Observations 100 100 Is the two-sample hypothesis test a paired or unpaired t-test? Pick Hypothesized Mean Difference df EStat P(T<=t) one-tail 198 1.497 What is the null hypothesis Ho? Pick 0.068 Critical one-tail 1.653 What is the alternative hypothesis H.? Pick (T<=t) two-tail Critical two-tail onfidence Level 0.136 1.972 95% chould Ho be rejected or does Ho fail to be rejected? Pick /hat conclusion can be drawn from the data? Pick v evidence exists to support the claim that the mean number of pages read per year after the pr higher than before the program. 2

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section: Chapter Questions

Problem 8CR

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