PROBLEM

In a school district the average in a test on X subject is 72 and it is being used a new teaching strategy that has not been tested for effectiveness.

HYPOTHESIS

What hypothesis:

X =

X >:

BOARD

The table below has a sample of 8 subjects with their respective grades. Remember, the data should be normally distributed.

Cases Notes

1 78

2 84

3 62

4 85

5 71

6 70

7 73

8 66

t-TEST

Only in the first sentence should you write whether or not there are significant differences between the means. Then, they must write only the requested values without explaining them. Down, I remind you what I mean.

**************************** Part bellow is very important ********************* Including (gl) ***********************************************

t= value of t.

(gl)= between parentheses the degrees of freedom

p= p-value

d= effect size

I NEED THE FORMULA TO UNDERSTAND HOW TO DO IT.

**************************** Part above is very important ********************* Including (gl) ***********************************************