Question

3. 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
1Find 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:

mean time taken to complete the test=

(17+19+20+22+24+24+28+30+30+36)/10

=25

new mean= (25+14)/2

= 19.5 minutes

hope it will help you ☺️

Answer 2

Answer:

Step-by-step explanation:

Ist answer is 25

2nd answer is 24