Statistics Significant Test

Which of the following statements most accurately describes the purpose of hypothesis testing?

• Test how far the mean of a sample is from zero

• Determine whether a statistical result is significant

• Choose appropriate significance level value

• Derive the standard error of the data

It is a type of inferential statistic used to determine if there is a significant difference between the means of two groups, which may be related in certain features.

• ANOVA

• Chi-Square

• Standard Deviation

• t-test

To test the claim that there is significant correlation between the number of absences and the final grades of seven randomly selected students from a statistics class, what is the appropriate decision? Complete the statement in your answer sheet.

• Reject the null hypothesis.

• Do not reject the null hypothesis

To test the claim that there is significant correlation between the number of absences and the final grades of seven randomly selected students from a statistics class, what is the appropriate conclusion? Complete the statement in your answer sheet.

• There is sufficient evidence to reject the claim that...

• There is sufficient evidence to support the claim that...
  

• There is insufficient evidence to reject the claim that...
  

• There is insufficient evidence to support the claim that...
  

To test the claim that there is significant correlation between the number of absences and the final grades of seven randomly selected students from a statistics class, what is the appropriate hypothesis? Write the statement form of your answer.

To test the claim that there is significant correlation between the number of absences and the final grades of seven randomly selected students from a statistics class, determine the appropriate critical value at 0.05 significance level? Illustrate in your answer sheet.

To test the claim that there is significant correlation between the number of absences and the final grades of seven randomly selected students from a statistics class, compute the appropriate test statistic? Show your solution in your answer sheet.

• True

• False

• n-1

• n-2

• n-3

• n-4

• n – 2

• n – 1

• n – 2 – m

• n – 1 – m