Scenario: Terry Teacher suspects that kindergarten class sizes in Alameda county are larger than average. According to the California Department of Education, the average kindergarten class size in California is 21.9. For a random sample of 36 Alameda County kindergarten classes, the average class size was 23 with a standard deviation of two. Run a test to assess Terry Teacher's hypothesis at the a=.05 level. Question: In symbols, the alternative, or research, hypothesis for this test would be: H = 21.9 H# 21.9 O µ = 23 H # 23

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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Scenario: Terry Teacher suspects that kindergarten class sizes in Alameda county are larger than
average. According to the California Department of Education, the average kindergarten class size in
California is 21.9. For a random sample of 36 Alameda County kindergarten classes, the average
class size was 23 with a standard deviation of two. Run a test to assess Terry Teacher's hypothesis at
the a=.05 level.
Question: In symbols, the alternative, or research, hypothesis for this test would be:
Ομ- 21.9
Ομ# 21.9
u = 23
H 7 23
Transcribed Image Text:Scenario: Terry Teacher suspects that kindergarten class sizes in Alameda county are larger than average. According to the California Department of Education, the average kindergarten class size in California is 21.9. For a random sample of 36 Alameda County kindergarten classes, the average class size was 23 with a standard deviation of two. Run a test to assess Terry Teacher's hypothesis at the a=.05 level. Question: In symbols, the alternative, or research, hypothesis for this test would be: Ομ- 21.9 Ομ# 21.9 u = 23 H 7 23
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