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OpenStax, Introductory Statistics 2e §9.5 Additional Information and Full Hypothesis Test Examples · Example 3 · Statistics · Hypothesis testing

Additional Information and Full Hypothesis Test Examples · Example 3

Statistics students believe that the mean score on the first statistics test is 65. A statistics instructor thinks the mean score is higher than 65. He samples ten statistics students and obtains the scores
• 65
• 65
• 70
• 67
• 66
• 63
• 63
• 68
• 72
• 71
. He performs a hypothesis test using a 5% level of significance. The data are assumed to be from a normal distribution.

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OpenStax, Introductory Statistics 2e · §9.5 Additional Information and Full Hypothesis Test Examples · Example 3

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