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Chapter 1: Q. 69 (page 48)

Here are the amounts of money (cents) in coins carried by 10 students in a statistics class: 50,35,0,97,76,0,0,87,23,65.To make a stemplot of these data, you would use stems

(a) 0,1,2,3,4,5,6,7,8,9.

(b)0,2,3,5,6,7,8,9

(c)0,3,5,6,7.

(d)00,10,20,30,40,50,60,70,80,90.

(e) None of these.

Short Answer

Expert verified

The answer is 0,1,2,3,4,5,6,7,8,9

Step by step solution

01

Given information

The given data is :

50,35,0,97,76,0,0,87,23,65

Theory used :

A stem and leaf plot looks something like a bar graph. Each number in the data is broken down into a stem and a leaf, thus the name. The stem of the number includes all but the last digit. The leaf of the number will always be a single digit.

02

Explanation for correct option

The stems will be the digits that are tens,

0,2,3,5,6,7,8,9

It also comprises the value in between the other stems.

All the stems are then :

0,1,2,3,4,5,6,7,8,9

03

Explanation for incorrect option

(b)We wouldn't use stems0,2,3,5,6,7,8,9

(c)We wouldn't use stems0,3,5,6,7

(d)We wouldn't use stems 00,10,20,30,40,50,60,70,80,90

(e)We wouldn't use stems 'None of these'

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