Question

Case study: ( 17 to 20): 4 questions 17. The students of class 10 were given different activities. One group was given the activity to record the weights of the students of class and submit a grouped data to the teacher. After working for 5 days students submitted the following data. Answer the questions based on the submitted data. 10 Weight (in kg) Number of students 44-48 6 48-52 10 52-56 14 56-60 10 60-64 8 64-68 2

1.Find the median class.
52-56

56-60

60-64

64-68

2.Find the lower limit of the modal class:
56

52

60

68

3.Class mark is useful in determining which measure of central tendancy

Mean

 Median

 Mode

All the above

4.Find the class mark of 52-56
53

55

54

56

pls give fast as possible




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Answer 1

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