Question

1 )In a frequency distribution, the mid-value of a class is 10 and the width of the class is 6. The lower limit of the
class is
(a) 54 (b) 811
(c) 181 (d) 118
2). If the mean of the observations x, x + 3, x + 5, x + 7, x + 10 is 9, the mean of the last three observations is
(a) 34/3
(b) 32/3
(c) 34/3
(d) 35/3

Answer 1

Answer:

ok so it's answer is

Step-by-step explanation:

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