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Mathematics, 18.12.2019 21:31, hernandez09297
What is a "confound" in an experimental study? group of answer choices
a. an extra variable that could explain result differences between groups
b. the tendency of a control group to mimic the experimental group
c. a control group that receives special attention
d. an experimental group that fails to respond to treatment
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Answers: 3
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The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed with a mean of 12611261 chips and a standard deviation of 118118 chips. (a) determine the 2626th percentile for the number of chocolate chips in a bag. (b) determine the number of chocolate chips in a bag that make up the middle 9696% of bags. (c) what is the interquartile range of the number of chocolate chips in a bag of chocolate chip cookies?
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Juanita wade's new car has an msrp of $28,902.11 including title and processing fees. the premier package which includes surround sound and dvd player costs three times the amount of the in-style package which includes leather seats and select wheels. the total cost of her new car was $34,290.08 which included the 6.5% sales tax. find the cost of the premier package to the nearest cent.
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What is a "confound" in an experimental study? group of answer choices
a. an extra var...
a. an extra var...
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