A researcher wanted to examine the effect of a new math study skills program on second graders.Twenty-five students took the new study skills program for six weeks and then took astandardized math exam, which is known to have a population mean score of u = 80 (this is themean for the entire population of students who have not taken the new math study skillsprogram). The mean and variance on the exam for the 25 students (who took the new study skillsprogram) are reported below.The mean of the n = 25 students was M = 85 with a sample variance (s²) of 100.Test to see whether the students who took the new study skills program have significantlydifferent test scores than the national average of μ = 80. Use a = .05, 2-tailed.Step 1. State the null and alternative hypotheses below.What type of test should be run on the data? (circle one below)a.one sample zb. one sample tc. independent samples td. related samples tStep 2. Locate the critical region and report the critical value(s) below.

Given that Sample size n =25 Sample mean=85 Sample variance s2 =100 Sample standard deviation s=10…

archer wanted to examine the effect of a new math study skills program on se y-five students took the new study skills program for six weeks and then took rdized math exam, which is known to have a population mean score of μ = 8 for the entire population of students who have not taken the new math study m). The mean and variance on the exam for the 25 students (who took the ne m) are reported below. ean of the n = 25 students was M = 85 with a sample variance (s²) of 100. o see whether the students who took the new study skills program have signif ent test scores than the national average of u = 80. Use a = .05, 2-tailed. . State the null and alternative hypotheses below. type of test should be run on the data? (circle one below) one sample z one sample t independent samples t related samples t

archer wanted to examine the effect of a new math study skills program on se y-five students took the new study skills program for six weeks and then took rdized math exam, which is known to have a population mean score of μ = 8 for the entire population of students who have not taken the new math study m). The mean and variance on the exam for the 25 students (who took the ne m) are reported below. ean of the n = 25 students was M = 85 with a sample variance (s²) of 100. o see whether the students who took the new study skills program have signif ent test scores than the national average of u = 80. Use a = .05, 2-tailed. . State the null and alternative hypotheses below. type of test should be run on the data? (circle one below) one sample z one sample t independent samples t related samples t

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.3: Measures Of Spread

Problem 1GP

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