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Author Question: In Excel, the line of best fit for the points in a scatter diagram is called a _____. a. trendline ... (Read 121 times)

kwoodring

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on: Jun 24, 2018
In Excel, the line of best fit for the points in a scatter diagram is called a _____.
 a. trendline
  b. horizontal line
  c. vertical line
  d. fit line

Question 2

Students of a large university spend an average of 5 a day on lunch. The standard deviation of the expenditure is 3 . A simple random sample of 36 students is taken.
 a. What are the expected value, standard deviation, and shape of the sampling distribution of the sample mean?
  b. What is the probability that the sample mean will be at least 4?
  c. What is the probability that the sample mean will be at least 5.90?


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AISCAMPING

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Reply #1 on: Jun 24, 2018
Answer to Question 1

a

Answer to Question 2

a. 5.0; 0.5; normal
b. 0.9772
c. 0.0359


kwoodring

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Reply 2 on: Jun 24, 2018
Great answer, keep it coming :)

momolu

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Reply 3 on: Yesterday
Wow, this really help

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