Answer:
C
Step-by-step explanation:
Answer:
I'd say (x,y) --> (2x,2y)
Step-by-step explanation:
Please understand if I'm wrong because I couldn't enhance the image. The quality made it a bit hard for me to accurately tell.
Sorry if I'm wrong.
Step-by-step explanation:
I believe it's 16 1/2. I just used MathPapa lol.
Answer:
98% confidence interval: (29.25,38.87)
Step-by-step explanation:
We are given the following in the question:
Sample mean,
= 34.06
Sample size, n = 134
Sample standard deviation, s = 23.83
a) 98% confidence interval
Putting the values, we get,
b) If a 95% confidence interval were constructed with these data, confidence interval would be narrower as the confidence level is decreasing as compared to 98%
c) If a sample of 150 students had been studied, the width of confidence interval will decrease as the sample size increases.