Below is a histogram of the IQ (\"intelligence quotient\") scores of 60 fifth-gr

Question

Below is a histogram of the IQ ("intelligence quotient") scores of 60 fifth-grade students chosen at random from one school. The histogram classes include the lower bound but not the upper bound, so that the first class represents IQ scores of 75 or more but less than 85.
Safari Fae Edit View History Bookmarks Window Hep D 9xD Wed 8:15 PM o Jobs For Aggies Home Homework 1 Spring 2017 (a) Describe the shape of this distribution right skewed with outliers right skewed without outliers left skewed without outiers symmetric with outliers o symmetric without outliers left skewed with outliers b) What is the range of this distribution?

Explanation / Answer

The range is difference between smallest and largest value.

Here range = upper class boundary of last interval minus lower class boundary of first interval. = 155-75 =80

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