5 + 15 + 25 + 35 + 45 + 55 + 65 + 75 + 85 + 95 = ___
300
400
500
600
5 + 15 + 25 + 35 + 45 + 55 + 65 + 75 + 85 + 95
= (5 + 95) + (15 + 85) + (25 + 75) + (35 + 65) + (45 + 55)
= 100 + 100 + 100 + 100 + 100
= 500
Find the mode of the following data.
Class interval25−3535−4545−5555−6565−7575−8585−95Frequency1216171581913
Class intervals / Frequency
15-25. 6
25-35. 11
35-45 . 7
45-55. 4
55-65. 4
65-75. 2
75-85 . 1
If the mean of the data is 60, find the value of p Class markfrequency25−351235−451645−55p55−651565−75875−851985−9513