each dot in the following dot plot represents the number of chocolate chips in one cookie in a package. find…

each dot in the following dot plot represents the number of chocolate chips in one cookie in a package. find the interquartile range (iqr) of the data in the dot plot. chocolate chips

each dot in the following dot plot represents the number of chocolate chips in one cookie in a package. find the interquartile range (iqr) of the data in the dot plot. chocolate chips

Answer

Explanation:

Step1: Count the data points

There are 1 + 1+ 3 + 4+ 3+ 2+ 1 = 15 data - points.

Step2: Find the median (Q2)

Since there are 15 data - points, the median is the 8th value when the data is ordered. Counting from the left, the median (Q2) is 5.

Step3: Find the lower half and Q1

The lower half of the data consists of the first 7 values. The median of the lower half (Q1) is the 4th value. Counting from the left in the lower - half data, Q1 = 3.

Step4: Find the upper half and Q3

The upper half of the data consists of the last 7 values. The median of the upper half (Q3) is the 4th value in the upper - half. Counting from the 9th value, Q3 = 7.

Step5: Calculate the IQR

The inter - quartile range (IQR) is calculated as IQR = Q3 - Q1. So, IQR = 7 - 3 = 4.

Answer:

4