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Belsky, Weinrub, Owen and Kelly (2001) reported on the effects of preschool child care on the development of young children. One result suggests that children who spend more time away from their mothers are more likely to show behavioral problems in kindergarten. Using a standardized scale, the average rating of behavioural problems for kindergarten children is u=35. A sample og n=16 kindergarten children who had spent at least 20 hours per week in child care during the previous year produce a mean score of 42.7 with a standard deviation of s=6. Using a one-tailed test with alpha level of 0.01, what is your critical t value?

Belsky, Weinrub, Owen and Kelly (2001) reported on the effects of preschool child care on the development of young children. One result suggests that children who spend more time away from their mothers are more likely to show behavioral problems in kindergarten. Using a standardized scale, the average rating of behavioural problems for kindergarten children is u=35. A sample og n=16 kindergarten children who had spent at least 20 hours per week in child care during the previous year produce a mean score of 42.7 with a standard deviation of s=6. Using a one-tailed test with alpha level of 0.01, what is your critical t value?

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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Belsky, Weinrub, Owen and Kelly (2001) reported on the effects of preschool child care on the development of young children. One result suggests that children who spend more time away from their mothers are more likely to show behavioral problems in kindergarten. Using a standardized scale, the average rating of behavioural problems for kindergarten children is u=35. A sample og n=16 kindergarten children who had spent at least 20 hours per week in child care during the previous year produce a mean score of 42.7 with a standard deviation of s=6. Using a one-tailed test with alpha level of 0.01, what is your critical t value? О а. 2.260 O b. 2.600 О с. 2.602 O d. 2.620 е. 2.026
Transcribed Image Text:Belsky, Weinrub, Owen and Kelly (2001) reported on the effects of preschool child care on the development of young children. One result suggests that children who spend more time away from their mothers are more likely to show behavioral problems in kindergarten. Using a standardized scale, the average rating of behavioural problems for kindergarten children is u=35. A sample og n=16 kindergarten children who had spent at least 20 hours per week in child care during the previous year produce a mean score of 42.7 with a standard deviation of s=6. Using a one-tailed test with alpha level of 0.01, what is your critical t value? О а. 2.260 O b. 2.600 О с. 2.602 O d. 2.620 е. 2.026
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