Answer:
a) x = 1.52
b) s = 1.16
Step-by-step explanation:
We have that:
5 students watched 0 movies.
9 students watched 1 movie.
5 students watched 2 movies.
5 students watched 3 movies.
1 student watched 4 movies.
(a) Find the sample mean x.
Sum divided by the number of students. So

(b) Find the approximate sample standard deviation, s.
Standard deviation of the sample.
Square root of the sum of the squares of the values subtracted from the mean, divided by the sample size subtracted by 1. So

Answer:
sure, ill start
Step-by-step explanation:
She danced like a swan, tall and graceful. Soak the cloth and drown the sharp odor.
Answer:
24-20 311-310 107-110
Step-by-step explanation:
Answer:
The parallel line would be y = 7
Step-by-step explanation:
If a line is parallel to x = -2, then it is a horizontal line. All horizontal lines can be written in the form of y = (a number). That number can be found as the y-coordinate in the ordered pair given.
y = 7
Answer:
92.4/3.3 = 28
Therefore, the number that 92.4 is 330 percent of, is 28.
Step-by-step explanation: