Help no please Each student has a mean time of 20
seconds, and each student has a median
time of 20 seconds.
Four students each ran up five sets of stairs. Their times for each set
of stairs, in seconds, are shown below.
Each student has a mean time of 20
seconds, but not all the students have the
same median time.
Alexis
Brandon
Chloe
David
10
16
14
12
Not all the students have the same mean
time, but each student has a median time
of 20 seconds.
20
17
14
13
20
19
20
20
Not all the students have the same mean
time, and not all the students have the same
median time.
20
22
26
27
30
26
26
28
Which statement about the mean and median of the students' times
shown is true?