Question: A researcher wanted to know if there was a difference in minutes of active play during recess for 2nd-grade girls and 2nd-grade boys. Twenty-three 2nd-grade

A researcher wanted to know if there was a difference in minutes of active play during recess for 2nd-grade girls and 2nd-grade boys. Twenty-three 2nd-grade girls played for a mean of 22.97 minutes and 19 2nd-grade boys played for a mean of 22.98 minutes. The standard error for the difference between the means was 1.62. Treat the girls as Group 1 and the boys as Group 2. Calculate the upper boundary of the 95% confidence interval. Report your answer rounded to the nearest two decimal places. Upper limit =

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