Find the middle of each interval
for 40 - 44 the middle is 42 multiply that by 2
do the same for each interval. Find the middle and multiply that number times the frequency.
Sum all of those results
To find the mean divide by 25
Compare with the actual computed mean given above.
Find the mean of the data summarized in the given frequency distribution . Compare the computed mean to the actual mean of 57.6 Degrees.
Low Temperature ( F) 40-44 45-49 50-54 55-59 60-64 Frequency 2 5 9 6 3
The mean of the frequency distribution is ___
1 answer
1 answer