Standard deviation of the population, Basic Statistics

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Standard deviation of the population

Worldwide it is understood that IQ scores follow a normal distribution. It is assumed that the middle 95% of the population has an IQ between 70 and 130 with a mean of 100. Use this information to determine the following:

A. What is the standard deviation of the population?

B. What IQ score corresponds to the 90th percentile?

C. What percentile corresponds to a score of 75?

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Basic Statistics: Standard deviation of the population

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Basic Statistics: Standard deviation of the population

Reference No:- TGS0751130

Have a Question? (oR Write a Review)

Recent Questions Asked Basic Statistics

Q : Equipment for a certain experiment

Q : Determine the number of calendars the bookstore

Q : Proportion of boxes

Q : Size of the range of values

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Request for Solution File

Ask an Expert for Answer!!

Basic Statistics: Standard deviation of the population

Reference No:- TGS0751130

Recent Questions Asked Basic Statistics

Q : Equipment for a certain experiment

Q : Determine the number of calendars the bookstore

Q : Proportion of boxes

Q : Size of the range of values

Q : Standard deviation of the population

Q : Perfectly normally distributed population

Q : Lot of tourism and foot traffic

Q : Four of the calculators

Q : Electrical connectors from three suppliers

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