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A history professor is curious if students who studied from printed hard copy had different mean test scores than students who studied text presented on
- A history professor is curious if students who studied from printed hard copy had different mean test scores than students who studied text presented on a screen (e-book). In his large lecture classes, he randomly selected students and surveyed them about how they studied.At the end of the semester his survey and final exam scores revealed that 36 students studied from printed hard copy had a mean final exam score of 70 with a standard deviation of 8.The 45 students that studied from an e-book had a mean final exam score of 76 with a standard deviation of 10.Use this information to determine if there is a significant difference in the mean test scores in these two groups. (Let= 0.10)
- Hypothesis Statements
- Ho:hePlease note that the parameters are already given in the hypothesis statements.
- HA:heType >, <, or "not equals to"
- T-stat =Round your answer to 2 decimal place.
- p-value =Do not round,
- Decision:TypeRetain HoorReject Ho
what is a summarystatementforthe hypothesis test above.
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