A survey of several 9 to 11 year olds recorded the following amounts spent on a trip to the mall: $19.26, $21.87, $15.83, $20.57, $19.31, $24.74, $22.82 Construct the 95 % confidence interval for the average amount spent by 9 to 11 year olds on a trip to the mall. Assume the population is approximately norma Step 2 of 4: Calculate the sample standard deviation for the given sample data. Round your answer to two decimal places. Cop

MATLAB: An Introduction with Applications
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A survey of several 9 to 11 year olds recorded the following amounts spent on a trip to the mall:
$19.26, $21.87, $15.83, $20.57, $19.31, $24.74, $22.82
Construct the 95% confidence interval for the average amount spent by 9 to 11 year olds on a trip to the mall. Assume the population is approximately normal.
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Step 2 of 4: Calculate the sample standard deviation for the given sample data. Round your answer to two decimal places.
Transcribed Image Text:A survey of several 9 to 11 year olds recorded the following amounts spent on a trip to the mall: $19.26, $21.87, $15.83, $20.57, $19.31, $24.74, $22.82 Construct the 95% confidence interval for the average amount spent by 9 to 11 year olds on a trip to the mall. Assume the population is approximately normal. Copy Step 2 of 4: Calculate the sample standard deviation for the given sample data. Round your answer to two decimal places.
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