Answer to Question #312179 in Statistics and Probability for Abdikher

Question

There are 150 students in a class. The distribution if their marks in a mathematics test are as follows

Class frequency

0-9 3

10-19 10

20-29 17

30-39 x

40-49 35

50-59 y

60-69 18

70-79 10

80-89 5

90-99 2

Required

The value of x given that the median mark is 44.357 (2marks)

The value of y given that the modal is 43.0 (2marks)

Draw an ogive of the data in (a) above (3 marks)

Use the ogive above to estimate

The 8th decile (2marks)

The 7-th percale (2marks)

The lower quartile (2marks)

Answer 1

It's been a while since this question is posted here. Still, the answer hasn't been got. Consider converting this question to a fully qualified assignment, and we will try to assist. Please click the link below to proceed: Submit order