A manager tracks parts made by a machine. She collects data for 30 days. On 7 days 18 parts were made, on 9 days 6 parts were made, and on the remaining days 3 parts were broken. 1. What is the mean number of parts made? (round to 2-decimal) 2. What is the variance of the parts made? (round to 2-decimal) 3. What is the standard deviation of the parts made? (round to 2-decimal) 4. How many parts will be made in 250days?? (in whole parts)
A manager tracks parts made by a machine. She collects data for 30 days. On 7 days 18 parts were made, on 9 days 6 parts were made, and on the remaining days 3 parts were broken. 1. What is the mean number of parts made? (round to 2-decimal) 2. What is the variance of the parts made? (round to 2-decimal) 3. What is the standard deviation of the parts made? (round to 2-decimal) 4. How many parts will be made in 250days?? (in whole parts)
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 3GP
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A manager tracks parts made by a machine. She collects data for 30 days.
On 7 days 18 parts were made, on 9 days 6 parts were made, and on the remaining days 3 parts were broken.
1. What is the mean number of parts made? (round to 2-decimal)
2. What is the variance of the parts made? (round to 2-decimal)
3. What is the standard deviation of the parts made? (round to 2-decimal)
4. How many parts will be made in 250days?? (in whole parts)
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