Question
Asked Dec 2, 2019
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40) A four-year university has decided to implement a new approach to teaching Statistics.
Full-time and adjunct professors were surveyed to determine whether they preferred the
traditional lecture approach, a computer approach to teaching Statistics, or id not have a
40)
preference.
Prefer Computer
Prefer Lecture
No Preference
13
Full-time
6
11
22
Adjunct
10
Compute the test value.
C) 0.36
B) 0.14
D) 1.24
A) 0.97
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40) A four-year university has decided to implement a new approach to teaching Statistics. Full-time and adjunct professors were surveyed to determine whether they preferred the traditional lecture approach, a computer approach to teaching Statistics, or id not have a 40) preference. Prefer Computer Prefer Lecture No Preference 13 Full-time 6 11 22 Adjunct 10 Compute the test value. C) 0.36 B) 0.14 D) 1.24 A) 0.97

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Expert Answer

Step 1

From the given information,

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Prefer Prefer No Total Preference Lecture computer Full-time 8 Adjunct 6 13 27 10 11 22 43 Total 16 19 35 70

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Step 2
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Expected value (E, Actual row total x column total value (o,-E (0,-E,/ E (O) 27x19 7.329 0.061433 0.450241 70 27x35 =13.5 13 0.25 0.018519 70 27x16 =6.171 70 6 0.029241 0.004738 43x19 -11.671 11 0.450241 0.038578 70 43x35 21.5 22 0.25 0.011628 70 43x16 9.829 70 0.029241 0.002975 (0,-E Σ -0.13787 0.14 Ei 10

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Step 3
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o-E E The statistic is =0.137870.14

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