Answer:a. μ = 9.667 hours
b. σ = 1.972 hours
c. SE = 0.805 hour
Sample size (n) = 6
Sample data (xi) = 10, 8, 9, 7, 11, 13
a. Mean time spent in a week for this course by students:
Sample mean is given by:
Mean time spent in a week per student is 9.667 hours
b. Standard deviation of the time spent in a week for this course by students:
Standard deviation is given by:
c. Standard error of the estimated mean time spent in a week for this course by students:
Standard error is given by:
The volume of a large aquarium is 210 ft. Is
Answer:
Slope of Line 1 = 4/3
Slope of Line 2 = 1/2
Slope of Line 3 = 4/3
For each pairs of lines, determine whether they're parallel, perpendicular or either.
Line 1 and Line 2: neither
Line 1 and Line 3: parallel
Line 2 and Line 3: neither
Answer: F distribution. chi-square distribution. t distribution. normal distribution.
Step-by-step explanation:
