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Test if significant difference on the beginning and current salary among the minority.

Test if significant difference on the beginning and current salary among the minority.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Test if significant difference on the beginning and current salary among the minority.
Descriptives Statistic Std. Error Current Salary Mean $34,419.57 $784.311 95% Confidence Interval Lower Bound $32,878.40 for Mean Upper Bound $35,960.73 5% Trimmed Mean $32,455.19 Median $28,875.00 Variance 291578214.5 Std. Deviation $17,075.661 Minimum $15,750 Maximum $135,000 Range $119,250 Interquartile Range $13,163 Skewness 2.125 .112 Kurtosis 5.378 .224 Beginning Salary Mean $17,016.09 $361.510 95% Confidence Interval for Mean Lower Bound $16,305.72 Upper Bound $17,726.45 5% Trimmed Mean $16,041.71 Median $15,000.00 Variance 61946944.96 Std. Deviation $7,870.638 Minimum $9,000 Мaximum $79,980 Range $70,980 Interquartile Range $5,168 Skewness 2,853 .112 Kurtosis 12.390 224
Transcribed Image Text:Descriptives Statistic Std. Error Current Salary Mean $34,419.57 $784.311 95% Confidence Interval Lower Bound $32,878.40 for Mean Upper Bound $35,960.73 5% Trimmed Mean $32,455.19 Median $28,875.00 Variance 291578214.5 Std. Deviation $17,075.661 Minimum $15,750 Maximum $135,000 Range $119,250 Interquartile Range $13,163 Skewness 2.125 .112 Kurtosis 5.378 .224 Beginning Salary Mean $17,016.09 $361.510 95% Confidence Interval for Mean Lower Bound $16,305.72 Upper Bound $17,726.45 5% Trimmed Mean $16,041.71 Median $15,000.00 Variance 61946944.96 Std. Deviation $7,870.638 Minimum $9,000 Мaximum $79,980 Range $70,980 Interquartile Range $5,168 Skewness 2,853 .112 Kurtosis 12.390 224
Independent Samples Test Levene's Test for Equality of Variances t-test for Equality of Means 95% Confidence Interval of the Difference Mean Std. Error Sig. Sig. (2-tailed) Difference Difference Lower Upper df Current Salary Equal variances .000 -2.120 035 -$3,100.349 $1,462.280 -$5,975.334 -$225.364 16.844 388 assumed Equal variances not 93.072 -$3,100.349 $568.679 -$4,229.622 -$1,971.076 -5.452 00 assumed Beginning Salary Equal variances .000 -1.739 388 .083 -$981.731 $564.476 -$2,091.545 $128.083 18.999 assumed Equal variances not assumed -3.274 46.940 002 -$981.731 $299.857 -%$1,584.985 -$378.477
Transcribed Image Text:Independent Samples Test Levene's Test for Equality of Variances t-test for Equality of Means 95% Confidence Interval of the Difference Mean Std. Error Sig. Sig. (2-tailed) Difference Difference Lower Upper df Current Salary Equal variances .000 -2.120 035 -$3,100.349 $1,462.280 -$5,975.334 -$225.364 16.844 388 assumed Equal variances not 93.072 -$3,100.349 $568.679 -$4,229.622 -$1,971.076 -5.452 00 assumed Beginning Salary Equal variances .000 -1.739 388 .083 -$981.731 $564.476 -$2,091.545 $128.083 18.999 assumed Equal variances not assumed -3.274 46.940 002 -$981.731 $299.857 -%$1,584.985 -$378.477
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