It well be B.) they all have a factor of 2
Answer:
1.81
2.36
3.40
4.54
5.80
6.-40
7.-60
Step-by-step explanation:
1.y= 9*9
2.a = 3*12
3.n = -4 * -10
4. x = 9*6
5.d = -8 * -10
6. t = -2 * 20
7. g = 10* -6
The percentile rank of a certain score is the score percentages in its frequency distribution that are equal to it or lower that it.
This means that:
<span>Nancy's percentile rank on a science test was 78. this means that Nancy equaled or surpassed 78% of all those who took the test.</span>
Answer:
B
Step-by-step explanation:
I hope this helped!
Answer:
B. The width of the confidence interval would be smaller.
Step-by-step explanation:
By reducing the confidence level from 99% to 95%, the student assumes that there is more uncertainty about the new confidence interval than the previous one. That, being said, since the results aren't as certain, the confidence interval is widened towards a central average point because the new interval isn't as accurate.
Therefore, the answer is B. The width of the confidence interval would be smaller.
