Question 7 Data from 420 districts of California further indicate the results when the districts have lower class-size and when the district have larger class-size. score Lower class-size 657 larger class-size 650 sd 19 17 The sample difference between lower class size districts and larger class size district is (integer value) The standard error of the difference is (3 decimal precision) Question 8 N 238 182 Question 9 We want to test if lower class size districts perform better than larger class size districts in California. Using the data above, the t-statis the p-value is (3 decimal places) Conclude on the difference between lower and larger class size district (use a 10% confidence level). Larger class sire districts significantly outperform lower class districts the test is inconclusive Larger and lower class size districts do not perform significantly differently from each other. O Lower class size districts significantly outperform larger class-size districts

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D Question 7
Data from 420 districts of California further indicate
the results when the districts have lower class-size
and when the district have larger class-size.
Lower class-size 657
larger class-size 650
score
Question 8
sd
19
17
The sample difference between lower class size
districts and larger class size district is
(integer value)
The standard error of the difference is
(3 decimal precision)
Question 9
N
238
182
We want to test if lower class size districts perform
better than larger class size districts in California.
Using the data above, the t-statis
the p-value is
(3 decimal places)
Conclude on the difference between lower and larger
class size district (use a 10% confidence level.
O Larger class size districts significantly outperform lower
class districts
O the test is inconclusive
O Larger and lower class size districts do not perform
significantly differently from each other.
O Lower class size districts significantly outperform larger
class-size districts
Transcribed Image Text:D Question 7 Data from 420 districts of California further indicate the results when the districts have lower class-size and when the district have larger class-size. Lower class-size 657 larger class-size 650 score Question 8 sd 19 17 The sample difference between lower class size districts and larger class size district is (integer value) The standard error of the difference is (3 decimal precision) Question 9 N 238 182 We want to test if lower class size districts perform better than larger class size districts in California. Using the data above, the t-statis the p-value is (3 decimal places) Conclude on the difference between lower and larger class size district (use a 10% confidence level. O Larger class size districts significantly outperform lower class districts O the test is inconclusive O Larger and lower class size districts do not perform significantly differently from each other. O Lower class size districts significantly outperform larger class-size districts
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