(b) With this value removed, carry out a'test of significance to determine if the mean number of words per day of men at this university differs from 7000. (If you're using Crunchlt for your calculations, adjust the default precision under ncccssury, See the instructional video on how to adjust precision settings.)

MATLAB: An Introduction with Applications
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Chapter1: Starting With Matlab
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Question
11555.16
With the value removed, find s. (Enter your answer rounded to three decimal places.)
With the value removed, find t. (Enter your answer rounded to three decimal places.)
Using the software of your choice, find the P-value. (Enter your answer rounded to four decimal places.)
P =
Srrect
Publisher: WH. Freendan
Question SoLurce: Moore, The Basic Practice Of Statistics, &e
prt sc
aelete
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home
Transcribed Image Text:11555.16 With the value removed, find s. (Enter your answer rounded to three decimal places.) With the value removed, find t. (Enter your answer rounded to three decimal places.) Using the software of your choice, find the P-value. (Enter your answer rounded to four decimal places.) P = Srrect Publisher: WH. Freendan Question SoLurce: Moore, The Basic Practice Of Statistics, &e prt sc aelete insert home
Attempt 7
Researchers claim that women speak significantly more words per day than men. One estimate is that a woman uses about
20,000 words per day while a man uses about 7,000. To investigate such claims, one study used a special device to record
the conversations of male and female university students over a four-day period. From these recordings, the daily word
count of the 20 men in the study was determined. The table contains their daily word counts.
28,408
10,084
15,931
21,688
37,786
10,575
12,880
11,071
17,799
13,182
8,918
6,495
8,153
7,015
4,429
10,054
3,998
12,639
10,974
5.255
To access the complete data set, click the link for your preferred software format:
Excel Minitab JMP SPSS TI R Mac-TXT PC-TXT CSV Crunchlt!
(a) Use the software of your choice to make a histogram of the data. What value should we remove from the data to make it
reasonable to use the t procedures (assume these men are an SRS of all male students at this university)?
value to remove:
37786
(b) With this value removed, carry out a test of significance to determine if the mean number of words per day of men at
this university diflers from 7000. (If you're using Crunchlt for your calculations, adjust the default precision under
Preferences as necessary. See the instructional video on how to adjust precision settings.)
Publisher WH. Freeman
Question Sources Moore, The Basic Practice Of Statistics, de
Transcribed Image Text:Attempt 7 Researchers claim that women speak significantly more words per day than men. One estimate is that a woman uses about 20,000 words per day while a man uses about 7,000. To investigate such claims, one study used a special device to record the conversations of male and female university students over a four-day period. From these recordings, the daily word count of the 20 men in the study was determined. The table contains their daily word counts. 28,408 10,084 15,931 21,688 37,786 10,575 12,880 11,071 17,799 13,182 8,918 6,495 8,153 7,015 4,429 10,054 3,998 12,639 10,974 5.255 To access the complete data set, click the link for your preferred software format: Excel Minitab JMP SPSS TI R Mac-TXT PC-TXT CSV Crunchlt! (a) Use the software of your choice to make a histogram of the data. What value should we remove from the data to make it reasonable to use the t procedures (assume these men are an SRS of all male students at this university)? value to remove: 37786 (b) With this value removed, carry out a test of significance to determine if the mean number of words per day of men at this university diflers from 7000. (If you're using Crunchlt for your calculations, adjust the default precision under Preferences as necessary. See the instructional video on how to adjust precision settings.) Publisher WH. Freeman Question Sources Moore, The Basic Practice Of Statistics, de
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