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Author Question: You are performing a study about the weight of preschoolers. A previous study found the weights to ... (Read 225 times)

SAVANNAHHOOPER23

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You are performing a study about the weight of preschoolers. A previous study found the weights to be normally distributed with a mean of 30 and a standard deviation of 4. You randomly sample 30 preschool children and find their weights to be as follows.

a) Draw a histogram to display the data. Is it reasonable to assume that the weights are normally
   distributed? Why?
b) Find the mean and standard deviation of your sample.
c) Is there a high probability that the mean and standard deviation of your sample are consistent
  with those found in previous studies? Explain your reasoning.


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Marked as best answer by SAVANNAHHOOPER23 on Jan 16, 2020

Zack0mack0101@yahoo.com

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SAVANNAHHOOPER23

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Reply 2 on: Jan 16, 2020
YES! Correct, THANKS for helping me on my review


bigsis44

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Reply 3 on: Yesterday
Wow, this really help

 

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