subject
Mathematics, 19.07.2021 18:10 dbn4everloved8

In order to determine whether or not there is a significant difference between the hourly wages of two companies, two independent random samples were selected and the following statistics were calculated. Company A Company B Sample size 80 60 Sample mean $6.75 $6.25 Population standard deviation $1.00 $0.95 Refer to Exhibit 10-8. The null hypothesis . a. should be rejected b. should not be rejected c. should be revised d. should be retested

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 14:30
The multiplication property of zero states that the product of any number and 0 is 0. what must be true about either a or b to make ab=0
Answers: 1
question
Mathematics, 21.06.2019 19:20
The square root of 9x plus 7 plus the square rot of 2x equall to 7
Answers: 1
question
Mathematics, 21.06.2019 19:30
Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28
Answers: 2
question
Mathematics, 21.06.2019 19:30
Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. what distance from city a is the point where the truck and the car will meet?
Answers: 1
You know the right answer?
In order to determine whether or not there is a significant difference between the hourly wages of t...
Questions