WS4Homework.xls - Z Test of Hypothesis for the Proportion...

This preview shows page 1 - 6 out of 38 pages.

Z Test of Hypothesis for the ProportionData0.13Level of Significance0.05Number of Items of Interest8Sample Size100Intermediate CalculationsSample Proportion0.0800Standard Error0.0336Z Test Statistic-1.4868Two-Tail TestLower Critical Value-1.9600Upper Critical value1.96000.1371Do not reject the null hypothesisLower-Tail TestLower Critical Value-1.64490.0685Do not reject the null hypothesisUpper-Tail TestUpper Critical Value1.64490.9315Do not reject the null hypothesisNull Hypothesis p=p-Valuep-Valuep-Value
DIRECTIONS:Enter the hypothesis test amount.(1 point)Enter alpha value.(1 point)Enter how many were actually brown.(1 point)Enter the sample size.(1 point)Access this helpful video:State the results and interpret the results here:( 6 points)Sample size = 100, 8% are brown M&M's. Alpha=.05 to test the claim that the % of brown M&M's is 13%.Video
Z Test of Hypothesis for the ProportionData0.034Level of Significance0.005Number of Items of Interest135Sample Size420095Intermediate CalculationsSample Proportion0.0003Standard Error0.0003Z Test Statistic-120.4482Two-Tail TestLower Critical Value-2.8070Upper Critical value2.80700.0000Reject the null hypothesisLower-Tail TestLower Critical Value-2.57580.0000Reject the null hypothesisUpper-Tail TestUpper Critical Value2.57581.0000Do not reject the null hypothesisNull Hypothesis p=p-Valuep-Valuep-Value
DIRECTIONS:Enter the hypothesis test amount.(1 point)Enter alpha value.(1 point)Enter how many developed cancer.(1 point)Enter the sample size.(1 point)Access this helpful video:State the results and interpret the results here:( 6 points)Cell phones and cancer. Out of 420,095 subjects, 135 developed cancer. Using a .005 significance level,test the claim that cell phone users develop cancer different from .0340% for people who do not own cell phones.Video
Z Test of Hypothesis for the ProportionData0.5Level of Significance0.05Number of Items of Interest39Sample Size71Intermediate CalculationsSample Proportion0.5493Standard Error0.0593Z Test Statistic0.8307Two-Tail TestLower Critical Value-1.9600Upper Critical value1.96000.4061Do not reject the null hypothesisLower-Tail TestLower Critical Value-1.64490.7969Do not reject the null hypothesisUpper-Tail TestUpper Critical Value1.64490.2031Do not reject the null hypothesisNull Hypothesis p=p-Valuep-Valuep-Value

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture