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Author Question: Data were collected from CEOs in the consumer products industry and the CEOs in the ... (Read 221 times)

SGallaher96

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on: Feb 14, 2020
Data were collected from CEOs in the consumer products industry and the CEOs in the telecommunication industry. The data were analyzed using a software package in order to compare mean salaries of CEOs in the two industries.

      HYPOTHESIS: MEAN X = MEAN Y

SAMPLES SELECTED FROM SALARY

X = Consumer Products
Y = Telecommunications
SAMPLE MEAN OF X =1761
SAMPLE VARIANCE OF X =3.97555E6
SAMPLE SIZE OF X =21
SAMPLE MEAN OF Y =1093.5
SAMPLE VARIANCE OF Y =103255
SAMPLE SIZE OF Y =21
MEAN X - MEAN Y =667.5
test statistic =1.47809
D. F. =40
P-VALUE =0.147626
P-VALUE/2 =0.0738131
SD. ERROR =451.597

Using α = .05, give the rejection region for a two-tailed test.
◦ Reject H0 if t > 2.021.
◦ Reject H0 if t > 1.684.
◦ Reject H0 if t > 1.684 or t < -1.684.
◦ Reject H0 if t > 2.021 or t < -2.021.
Statistics ¦ McClave, Sincich, Tamarack ¦ 12th Edition
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Marked as best answer by SGallaher96 on Feb 14, 2020

mathjasmine

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Reply #1 on: Feb 14, 2020
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SGallaher96

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Reply 2 on: Feb 14, 2020
:D TYSM

mochi09

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Reply 3 on: Yesterday
Wow, this really help

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