Question 6 0.4 pts In what instance would you perform a T-test? O You want to de

Question

Question 6 0.4 pts In what instance would you perform a T-test? O You want to determine if there is a difference between 2 groups O You want to see if exam score is correlated with age Question 7 0.35 pts How would you present data from a T test? O scatter plot O pie chart O Bar graph Question 8 0.3 pts What is a p value O test statistic O random number generator O you would only get a difference as large as the one you observed, just by chance, a proportion p of the time Question 9 0.3 pts You get a p value of .00003. What can you conclude O you can reject your nul hypothesis O you fail to reject your null hypothesi you can accept your mull hypothess

Explanation / Answer

The t test can be used to study the whether to know is there any deviation of sample mean from hypothesized value or to compare the means of two samples or to compares the means of samples by groups.

The calculated probability value is called the p value.

The answers are
6. You want to determine if there is a difference between 2 groups.
7. Scatter plot
8. test statistic
9. you fail to reject your null hypothesis.

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