Question
Suppose that, over a certain period of time, a parent monitors how many texts their 17 year old son sends each day. The average amount
Suppose that, over a certain period of time, a parent monitors how many texts their 17 year old son sends each day. The average amount of texts sent a day is 42, and the standard deviation is 12.
- Suppose a random sample of 16 days had a sample mean of 36 text messages a day, how many standard deviations ofxbelow the population mean would that be?
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Linear Algebra A Modern Introduction
Authors: David Poole
4th edition
1285463242, 978-1285982830, 1285982835, 978-1285463247
