Question

A group of students was given a special test. The test was completed by various students in the following duration of time ( in minutes) : 17,19,20,22,24,24,28,30,30,36. 1.Find the mean time taken by the students to complete the test. 2. Find the new mean, if another student who took 14 minutes is also included ​

Answer 1

Step-by-step explanation:

17+19+20+22+24+24+28+30+30+36

=250

mean=250/10=25

if another student who took 14 minutes is also included

then

250+14=264

new mean =264/11=24

Answer 2

Answer:

1)17+19+20+22+24+24+28+30+30+36

/10

250/10

=25

2)250 +14=

264

264/11

= 24

1) answer is 25 and

2) answer is 24.