Question

PLEASE HELP ME STATISTICS AND PROBABILITY
Find the class marks of the following class intervals:
Class Interval Class Mark
a. 12 – 15 _______
b. 0.5 – 1.5 _______
c. 25 – 34 _______
d. 103 – 109 _______
e. 77.5 – 86.5 _______
2. Write down the class boundaries of the following class intervals:
Class Interval Lower Class Boundary Upper Class Boundary
a. 0 – 9 _______ _______
b. 12 – 15 _______ _______
c. 100.5 – 200.5 _______ _______
d. 85.9 – 86.9 _______ _______
e. 120 – 129 _______ _______

Answer 1

Answer:

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Step-by-step explanation:

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