1.Calculate the mode, the average and the median of the following data

25 23 14 12 13 20 18 25 19 12 19 10 19 15 24 16 15 19

2. Calculate the range, variance, and standard deviation of the following data

100 185 172 120 192 126 154 133 117 140 131 160

3. Compute the median, first and third quartile and 45th percentile and 90 of the data

95 105 120 81 90 115 99 100 130 70 123 96 104 86 90 140 120 125 100 96

4.Calculate the weighted average using the price

Types of Services Price Frequency

Basic 7.50 22

Regular 10.00 35

Special 12.50 16

Premium 16.00 20

Optimal 20.00 17

5. Compute the average and deviation of the pooled data

Number of Customers Frequency

10 - 19 24

20 - 29 16

30 - 39 33

40 - 49 7

50 - 59 20