Question

those who will solve this cottectly they will get 10 thnks extra from me... friends don't spam...​

Answer 1

Answer:

1.) 75

2.) 170

Step-by-step explanation:

1.)Range = 200-125

= 75 is the range

2.)mean =

$\frac{195 + 185 + 145 + 155 + 135 + 180 + 175 + 200 + 150 + 125 + 190 + 180 + 170 + 175 + 190}{15}$

$\frac{2550}{15} = 170$

Answer 2

Answer:

1- 75

2-169.66

for mean add all the observation and divide the result by nom of observation