Aresearcher uses a repeated-measures design to compare individuals' performance before treatment with their performance after treatment. if all of the participants show improved performance of 8 or 9 points after treatment, then the researcher should find (a) a sample mean difference near zero(b) a t statistic near zero(c) the variance of the difference scores is near zero(d) none of the other options is correct.

answer: city needs 2.4 inches of rainfall more to match the record of 40 inches.

step-by-step explanation:

since we have given that

total annual rainfall a city record = 40 inches

this year, total rainfall recorded = 37.6 inches

number of inches of rainfall   is needed to match the record of 40 inches is given by

hence, city needs 2.4 inches of rainfall more to match the record of 40 inches.

sorry man i accidentally pressed yes my bad

step-by-step explanation:

step-by-step explanation:

4  

25

5258y

54.

t5

5r

54

5856

542

5458

86

.8558.65

565

565

55898

786

8/95

5896

8656265

556478

i think it is c hope that