WS4Practice - Juston Foster.xls - t Test for the Hypothesis...

This preview shows page 1 - 3 out of 3 pages.

t Test for the Hypothesis of the MeanData123.5Level of Significance0.01Sample Size20Sample Mean123.06Sample Standard Deviation1.354Intermediate CalculationsStandard Error of the Mean0.3028Degrees of Freedom19-1.4533Two-Tail TestLower Critical Value-2.8609Upper Critical Value2.86090.1625Do not reject the null hypothesisCalculations AreaFor one-tailed tests:TDIST value0.08123211-TDIST value0.9187679Lower-Tail TestLower Critical Value-2.53950.0812Do not reject the null hypothesisUpper-Tail TestUpper Critical Value2.53950.9188Do not reject the null hypothesisNull Hypothesis m=tTest Statisticp-Valuep-Valuep-Value
DIRECTIONS:Voltage123.8123.9Enter the hypothesis test amount.(2 points)123.9Enter alpha value.(2 points)123.3Enter the sample size.(2 points)123.4Enter the sample mean.(2 points)123.3Enter the sample standard deviation.

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture