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  • 30-04-2024
  • Mathematics
Answered

5.David creates an intervention for reading in 3rd grade. He wants to see if the program helps them. He takes a sample of 20 students n=20. We will give the Nelson-Denny Reading Test. The average score for 3rd graders on this test is 35 and the standard deviation is 8. David’s class has a mean of M=40. Let’s test to see if the intervention worked.



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