An Educational Psychologist was interested in studying the average amount of tar
ID: 3366142 • Letter: A
Question
An Educational Psychologist was interested in studying the average amount of tar in filtered and non-filtered cigarettes. All measurements below are in milligrams.
Filtered: 16 15 16 14 16 1 16 18 10 14 12 11 14 13 13 13 16 16 8 16 11
Non-filtered: 23 23 24 26 25 26 21 24
2. What is one of the assumptions for making inferences back to the population?
subjects/scores are independent between groups
equal variances
subjects/scores are dependent between groups
variances are normally distributed in the population
a. and b. above
What is one of the assumptions for making inferences back to the population?
subjects/scores are independent between groups
equal variances
subjects/scores are dependent between groups
variances are normally distributed in the population
a. and b. above
a.subjects/scores are independent between groups
b.equal variances
c.subjects/scores are dependent between groups
d.variances are normally distributed in the population
e.a. and b. above
Explanation / Answer
The assumptions for making inferences back to the population :
subjects/scores are independent between groups
and equal variances
Hence, ans->
One of the assumptions for making inferences back to the population :
e) a and b above
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