Answer:
D. is not necessary
Step-by-step explanation:
12 in=60 feet
15 in =75 feet
12. if you take half of 12, 6, then you add 5, you get 11.
Answer:
<u>Step-by-step explanation:</u>
Answer: We should reject the null if the test statistic is greater than <u>1.895</u>.
Step-by-step explanation:
We assume the population to be normally distributed.
Given: Sample size : , which is asmall sample (n<30), so we use t-test.
We always reject the null hypothesis if the absolute t-value is greater than critical value.
Therefore, We should reject the null if the test statistic is greater than <u>1.895</u>.