Mathematics Homework Help
Mathematics Homework Help. Please follow the prompt !
Prompt
- In a previous lab we tested the following hypotheses,
0 :=4.73 and<4.73 (whereIn a random sample of 75 students, the mean was 3.93 alcoholic drinks consumed in a week. Here is the StatCrunch output from the hypothesis test.
0 :=4.73 ≠4.73 Hypothesis test results Variable Sample Mean Std. Err. DF T-Stat P-value number of drinks per week 3.9333333 0.43592434 74 -1.8275343 0.0717 Using this context and the StatCrunch output, explain the meaning of each of the following.
- Std. Err (standard error)
- T-stat (T-score)
- P-value
- In a previous matched pairs lab we tested the following hypotheses, where
Paired T hypothesis test:
= 1− 2 : Mean of the difference between Regular seed and Kiln-dried seed0 :=0 <0 Hypothesis test results Difference Mean Std. Err. DF T-Stat P-value Regular seed – Kiln-dried seed -33.727273 19.951346 10 -1.6904761 0.0609 Differences stored in column, Differences.
Using this context and the StatCrunch output, explain the meaning of each of the following.
- Std. Err (standard error)
- T-stat (T-score)
- P-value.
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