To test the effectiveness of a business school preparation course, 8 students took a general business test before and after the course. The results are given below. Student / Exam Score Before Course / Exam Score After Course
1 / 530 / 670
2 / 690 / 770
3 / 910 / 1,000
4 / 700 / 710
5 / 450 / 550
6 / 820 / 870
7 / 820 / 770
8 / 630 / 610
1) What is the calculated test statistic?
2) State the null hypothesis, alternate hypothesis, and decision rule at .05 level of significance.
3) What are the conclusions?

i think 1: 2

step-by-step explanation:

30 miles

step-by-step explanation:

we know that 60 seconds equals 1 minute and 60 minutes 1 hour

44 ft       60 sec     60 min     158400   ft

  *   *   =

1 sec       1 min       1 hour         hour

we know that there are 5280 ft per mile

158400   ft       1 mile         30 miles

  *   =

1   hour               5280 ft     1 hour

so in 1 hour   it can travel 30 miles

3/5

step-by-step explanation:

double number line is not a standard concept, so it must have been defined in your textbook. assume top line is numerator.