Question

Plz answer these all questions.

Answer 1

here is your all answer

Answer 2

4(a) Range =45°-38°=7°
(b) (42°C+40°C+38°C+43°C+40°C+44°C+45°C)/7
=292°C/7
=41.71°C
(c) 3 days

(5) answer
Correct sum = 40×10+45-15 =430
Correct mean = 430/10 = 43

(6) answer
(26+28+25+x+24)/5=27
103+x = 135
x = 135 -103 = 32

( 7.) answer
Sum of three numbers = 10×3=30
Sum of four numbers = 12×4 =48
mean = 78/7 = 11.14