a. Identify the null and alternative hypotheses in this situation.

b. Do these sample data indicate a statistically significant difference at the 10% level? Explain your answer. With your conclusion, which possible error could you be making, a type I or type II error?

c. At which significance levels could you not reject not reject not the null hypothesis?

solve for the summation of the frequency then multiply it to the middle value then square it then subtracct the summation of the frequency by 1 and divide the 2 values

Step-by-step explanation:

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