The difference of the sample means of two populations is 34.6, and the standard deviation of the difference of the sample means is 11.9.

the 95% confidence interval lies between -11.9 -23.8 -35.7 -45.4 and +11.9 +23.8 +35.7 +45.4 .

answer with explanation:

difference of the sample means of two populations = 34.6

difference of standard deviation of two samples = 11.9

95% of data lie within two standard deviation.

so, 95% confidence interval lies between

→→95% confidence interval of two samples lies between: 10.8 to 68.4.

1. d.90

2. e. none of these (80)

3. a. 0

4. b. 6

5. e. none of these (10)

6. a. 5

false

step-by-step explanation:

rulers and compasses arent required in order to bisect an angle because when bisecting angles, you're making a "half circle" and considering in order to bisect an angle it wouldn't be straight, you wouldn't need either of the two