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Chapter 2: Q.11 (page 127)

Use the data from the David County science competition supplied in Exercise 2.10. Construct a bar graph that shows the county-wide population percentage of students at each school.

Short Answer

Expert verified

The bar graph he county-wide population percentage of students at each school. is as follow:

Step by step solution

01

Content Introduction

A bar graph may be described as a chart or a graphical illustration of data, portions or numbers the usage of bars or strips. Bar graphs are used to examine and assessment numbers, frequencies or different measures of awesome classes of data.

02

Content Explanation

The steps to follow to make a bar graph in Excel is as follow:

  1. Select the data and go to Insert option.
  2. Now under Charts, select bar chart option
  3. Click on the plus sign at right hand side of the bar graph, and mention the Axis, Chart titles, etc.

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Most popular questions from this chapter

The number of books checked out from the library from 25students are as follows:

0;0;0;1;2;3;3;4;4;5;5;7;7;7;7;8;8;8;9;10;10;11;11;12;12

Find the mode.

The data are the prices of different laptops at an electronics store. Round each value to the nearest ten. 249,249,260,265,265,280,299,299,309,319,325,326,350,350,350,365,369,389,409,459,489,559,569,570,610

Forty randomly selected students were asked the number of pairs of sneakers they owned. Let X= the number of pairs of sneakers owned. The results are as follows:

a. Find the sample meanx¯.

b. Find the sample standard deviation, s

c. Construct a histogram of the data.

d. Complete the columns of the chart.

e. Find the first quartile.

f. Find the median.

g. Find the third quartile.

h. Construct a box plot of the data.

i. What percent of the students owned at least five pairs?

j. Find the 40thpercentile.

k. Find the 90thpercentile.

l. Construct a line graph of the data.

m. Construct a stemplot of the data.

Sixty-five randomly selected car salespersons were asked the number of cars they generally sell in one week. Fourteen people answered that they generally sell three cars; nineteen generally sell four cars; twelve generally sell five cars; nine generally sell six cars; eleven generally sell seven cars. Complete the table.

David County has six high schools. Each school sent students to participate in a county-wide science competition. Table 2.41shows the percentage breakdown of competitors from each school, and the percentage of the entire student population of the county that goes to each school. Construct a bar graph that shows the population percentage of competitors from each school.
See all solutions

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