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The town of Brant has started an after-school program for high school youth to prepare them for the ACT college entrance examination. The after-school program had 29 youth participants; the program manager compared their ACT scores with the ACT scores of 36 similar high school youth who did not participate in the after-school program. The program manager wants to determine if the after-school program had a positive effect on ACT scores. You will use the Unit 5 Dataset, given in the resources, to complete this assignment.
Determine which type of t test to conduct. Once you have determined that, answer the following:
What is the sample size?
What is the sample mean of each group?
Identify the following factors based on the table you develop in SPSS:
Mean difference.
T obtained (t).
Degrees of freedom (df).
Significance (two-tailed).
Write a brief narrative explaining the implications of your findings based on the value of the test statistic:
Would you retain or reject the null hypothesis?
What are limitations that must be considered in interpreting the results?
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Caselet on McDonald’s vs. Burger King - Waiting time
Generate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data.
Problems on Sampling Variability and Standard Error and Confidence Intervals
Estimate the population mean
Conduct a marketing experiment in which students are to taste one of two different brands of soft drink
Find out the probability
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