Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

Please do f. The following Sample data was obtained by asking students to type a text message to someone from their cell phones. Each student

Please do "f".

image text in transcribed
The following Sample data was obtained by asking students to type a text message to someone from their cell phones. Each student was give 1 minute to type the message. The numbers listed below represent the number of words typed in 1 minute. Round all answers to 2 decimal places. 52 39 96 74 58 61 52 57 53 54 60 72 56 58 44 79 63 38 64 97 74 52 46 58 43 45 77 52 41 36 48 23 42 22 90 69 25 54 82 37 a) Complete a frequency table for the given data using 6 classes. [10 pts.] 97 -22/ 27/ 10= 12.5 (# 13 ) Class Width = [2pts. ] Class Class Midpoint Frequency Relative Cumulative Limits Boundaries Frequency Frequency 22- 34 21.50 - 34, 5 22+34 2 28 3 0.08 3 35- 47 34.5- 47.5 41 10 0. 25 13 48-60 47. 5-60.5 54 0.35 27 61- 73 60.5- 73.5 67 5 0. 13 32 74-861 173. 5- 8615 80 0. 13 37 8 7-9 91 86.5-99.5 93 3 10. 08 40 e) Find each of the following (round 2 places for final answer): [2 pts. each] 1. Mean = 56.08 2. Median = 54 3. Mode = 5 2 4. Range = 75 5. Standard Deviation = 18:260 6. Variance = 333, 40 f) Create a 90%% confidence level for the data and write a brief statement interpreting your results. [5 pts.] 1 = 118: 26 X : n = 90%

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

Essential Partial Differential Equations Analytical And Computational Aspects

Authors: David F Griffiths, John W Dold, David J Silvester

1st Edition

3319225693, 9783319225692

More Books

Students also viewed these Mathematics questions