Answer:
Z-score = 1.18
Step-by-step explanation:
The z-score measures how many standard deviations from the mean a data is
Therefore the z score is the quotient between the difference between a value and the mean and the standard deviation
Where
μ is the mean, x is a data of the population and is the standard deviation
In this case
Then the z-score is
Answer:
The mean is the average of a data set. You can find the mean by adding all of the numbers in the guven set of data and then divide by the total number of values in a set.
Step-by-step explanation:
for example:
2, 6, 8, 13, 16, 11, 7
add all of these numbers together
the total would be 63
there are 7 numbers in the data set so you would divide 63 by 7
the mean of the data set would be 9
Answer:
m=12 months
Step-by-step explanation:
all work is shown and pictured
I assume you meant to insert a picture or question but “x” is a variable used in math, mainly in algebra
Answer:
see the explanation
Step-by-step explanation:
The problem could be
A person earns $20 for working 5 hours.
How much will a person earn if they work 10 hours?
using proportion
Multiply in cross
divide by 5 both sides