1-Tail Test

Hypothesis: Define your hypothesis.

Define the population parameter.

Write null (Ho) and alternative (Ha) hypotheses.

Specify your significance level.

Data analysis: Analyze the data and confirm assumptions have not been violated to complete this hypothesis test.

Summarize your sample data using appropriate graphical displays and summary statistics.

Provide at least one histogram of your sample data.

In a table, provide summary statistics including sample size, mean, median, and standard deviation.

Summarize your sample data, describing the center, spread, and shape in comparison to the national information.

Check the conditions.

Determine if the normal condition has been met.

Determine if there are any other conditions that you should check and whether they have been met.

Hypothesis test calculations: Complete hypothesis test calculations, providing the appropriate statistics and graphs.

Calculate the hypothesis statistics.

Determine the appropriate test statistic (t).

Calculate the probability (p value).

Interpretation: Interpret your hypothesis test results using the p value method to reject or not reject the null hypothesis.

Relate the p value and significance level.

Make the correct decision (reject or fail to reject).

Provide a conclusion in the context of your hypothesis.

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