Question: State Your Null and Research Hypothesis (1pt) Select Your Level of Significance (1pt) Establish a Critical Value (1pt) Calculate Your Test Statistic (1pt) Make a

State Your Null and Research Hypothesis (1pt)
Select Your Level of Significance (1pt)
Establish a Critical Value (1pt)
Calculate Your Test Statistic (1pt)
Make a Decision (1pt)

1)You have been hired to see if kindergarteners in New York test significantly above the national average on a standardized mathematics exam. You sample 921 New York schools and find an average score of 86.0, with a standard deviation of 5.45. The national average is 85.8, with a standard deviation of 4.98.

2)You have been hired to determine whether there is a relationship between one's racial group and their taste in music. To answer this question, you sample 891 customers who recently visited a local music store. Out of 285 Black customers, you find that 115 enjoy hip hop, 78 enjoy country, and 92 enjoy rock n roll. Out of 317 White customers, you find that 80 enjoy hip hop, 125 enjoy country, and 112 enjoy rock n roll. Finally, out of 289 Asian customers, you find that 120 enjoy hip hop, 80 enjoy country, and 89 enjoy rock n roll.

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