Answer:
all of the above
Step-by-step explanation:
Answer:
$100.75
Step-by-step explanation:
422.05 - 106.30 - 310.00 + 95.00 = 100.75
X/3=1351/7
cross multiply
7x=4053
divide by seven on both sides
x=579
Then, the median is found by taking the mean (or average) of the two middle most numbers.
Answer:
Option C) 5.62 points
Step-by-step explanation:
We are given the following in the question:
Sample size, n = 20
Sample mean score = 64
Sample standard deviation, s = 12
Degree of freedom =

We have to calculate margin of error for a 95% confidence interval.
Formula for margin of error:
Putting the values, we get,
Thus, the correct answer is
Option C) 5.62 points