Analisa recorded 83°, 87°, 90°, and 78° as the highest temperatures in her city for the month of October. She calculated a mean
of 84.5° and a median of 85° for these temperatures. Which statement would describe the changes in the mean and the median if a temperature of 76° was then added to her list?
1 answer:
You might be interested in
Answer:
The percentage of the students scored higher than 89% is 15.87%
Step-by-step explanation:
we are given
The average test scores for a particular test in algebra was 84
so, mean is 84
a standard deviation of 5
so,
we have
x=89
now, we can use z-score formula
now, we can plug values
now, we can use calculator
and we get
So,
The percentage of the students scored higher than 89% is 15.87%