A) No one in the class studied more then 5 hours
10:4
35:14
55:22
10:4 divided by 2:2=5:2
35:14 divided by 7:7= 5:2
55:22 divided by 11:11= 5:2
18=r/2
Multiply by 2 on each side,
36=r
r=36
Hope this helps.
If there are 196 refrigerators produced daily, that means that 8 are produced in an hour. subtract 8 and 3 and you get 5 refrigerators that are not defects. now multiply 5 by 24, about 120 refrigerators out of the 196 are not defects.
Suppose there are n observations in a data set consisting of the observations x1, x2, x3, ..., xn.
Rounding rule: round to one more decimal place than the highest number of decimal places contained in the data.
The formula can also be represented as sigma * xi / n.
x bar = SAMPLE MEAN
Mu = POPULATION MEAN
n= sample size
N= POPULATION SIZE
The sum of the deviations from the mean is always equal to 0.
The mean will always be pulled towards any outliers.
Ex: the average price of similar televisions at different stores. This is quantitative data that does not have outliers since the TVs at the different stores are similar
