Author Question: Data were collected from CEOs in the consumer products industry and the CEOs in the ... (Read 301 times)

SGallaher96 · **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.

mathjasmine · **Reply #1 on:** Feb 14, 2020

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