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Q1 5 Points Salary information regarding male and female employees of a large company is shown below. Male Female Sample Size 64 36 Sample Mean Salary (in $1,000) 44 41 Population Variance (0') 128 72 01.1 1 Point The point estimate of the difference between the means of the two populations is O 3 O -28 O 4 O -4 Q1.2 1 Point The standard error for the difference between the two means is O 4.0 O 7.46 O 4.42 O 2.0 Q1.3 1 Point The 95% confidence interval for the difference between the means of the two populations is O -2 to 2 O -1.96 to 1.96 O -0.92 to 6.92 O O to 6.92