Question

1. The scores in mathematics test of 15 students are as follows: 19, 25, 23, 20, 9, 20, 15, 10,
5, 16, 25, 20, 24, 12, and 20. Find the mean, median and mode.
2. Express 243 as a product of powers of its prime factors.
3. Which of the followings can be the sides of a right triangle?
1.4cm, 5cm, 6cm
2.3cm, 4cm,5cm

Answer 1

Answer:

Q.1 =>

Step-by-step explanation:

Mean = Sum of all the observations by total number of observations.

therefore, 19+25+23+20+9+20+15+10+5+16+25+20+24+12+20 = 263

263 by 15=17.53333333

Median = 19 and 20

mode= 20