The median US salary is $50,700, according to US Census data. Using a one-sample t-test, test to...

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The median US salary is $50,700, according to US Census data.Using a one-sample
t-test, test to see if participant income (INC1) is differentfrom the national average. Use a two-tailed test and an alpha levelof 5%.
Participant income is significantly greater than the nationalaverage
Participant income is significantly less than the nationalaverage
Participant income is not significantly different from thenational average
Participant income cannot be compared to the nationalaverage
One-Sample Statistics
INCOME N=400 Mean=$47,112.92 Std. Deviation=$40,477.089 Std.Error Mean=$2,023.854
One-Sample Test
Test Value = 0
INCOME t=23.279 df=399 Sig. (2-tailed)=.000 MeanDifference=$47,112.920
95% Confidence Interval of the Difference
(lower)$43,134.17 (higher)$51,091.67

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The median US salary is 50700 according to US Census dataUsing a onesamplettest test to see if participant income INC1 is differentfrom the national average Use a twotailed test and an See Answer

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