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A physical therapist is studying how many sit-ups her high school athlete clients can do in one minute.  She observed 43 clients and found they could do an average of 48.5 sit-ups in one minute, with a standard deviation of 7.5 minutes.  State the 95% confidence interval. Round answers to 1 decimal place where possible. Confidence Interval:  < ? σ p μ  <  If the physical therapist observed a different group of 43 randomly selected clients, how many sit-ups would she expect them to do on average? approximately 48.5 exactly 48.5 significantly fewer than 48.5 significantly more than 48.5

A physical therapist is studying how many sit-ups her high school athlete clients can do in one minute.  She observed 43 clients and found they could do an average of 48.5 sit-ups in one minute, with a standard deviation of 7.5 minutes.  State the 95% confidence interval. Round answers to 1 decimal place where possible. Confidence Interval:  < ? σ p μ  <  If the physical therapist observed a different group of 43 randomly selected clients, how many sit-ups would she expect them to do on average? approximately 48.5 exactly 48.5 significantly fewer than 48.5 significantly more than 48.5

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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A physical therapist is studying how many sit-ups her high school athlete clients can do in one minute.  She observed 43 clients and found they could do an average of 48.5 sit-ups in one minute, with a standard deviation of 7.5 minutes.  State the 95% confidence interval.

Round answers to 1 decimal place where possible.

Confidence Interval:  < ? σ p μ  < 

If the physical therapist observed a different group of 43 randomly selected clients, how many sit-ups would she expect them to do on average?

  • approximately 48.5
  • exactly 48.5
  • significantly fewer than 48.5
  • significantly more than 48.5
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