Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

Use R when ever it is relevant. The following data set shows the mid-term grade of a Biology class of 30 students. 78 45 67

Use R when ever it is relevant. The following data set shows the mid-term grade of a Biology class of 30 students.

78 45 67 56 88 26 89 91 75 80

58 68 77 82 79 80 93 46 55 62

78 86 89 78 66 78 81 63 90 83

(a) Make a frequency distribution for the data. Use a class width of 10.

(b) Draw a histogram for the data. What can you say about the shape of the distribution?

(c) Complete the table in categorizing data as below (note that interval ranges are different from part (a)).

Range Grade Frequency
85-100 A
75-84 B
65-74 C
50-64 D
0-49 F

(d) Draw a pie chart to display the distribution of grades in part (c).

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image_2

Step: 3

blur-text-image_3

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Statistics

Authors: Robert S. Witte, John S. Witte

11th Edition

1119254515, 978-1119254515

More Books

Students also viewed these Mathematics questions

Question

7. Compare and contrast cable modem and DSL.

Answered: 1 week ago

Question

11. Explain how a cable modem works.

Answered: 1 week ago