Q1) Calculate the mean from

x	Frequency
08	110
09	135
10	140
11	100
12	145

[ mean =10.06]

Q1) Calculate the variance from

x	Frequency
10	115
11	145
12	65
13	145
14	85

[ var =1.952]

Q1) Calculate the Standard Deviation from

x	Frequency
10	60
11	80
12	100
13	70
14	100

[ Standard Deviation =1.378]

Q2) Calculate the mean from

x	Frequency
05	60
06	80
07	120
08	85
09	55

[ mean =6.988]

Q2) Calculate the variance from

x	Frequency
06	100
07	95
08	135
09	80
10	60

[ var =1.693]

Q2) Calculate the Standard Deviation from

x	Frequency
07	125
08	50
09	70
10	140
11	110

[ Standard Deviation =1.506]

Q3) Calculate the mean from

x	Frequency
08	105
09	70
10	135
11	150
12	95

[ mean =10.11]

Q3) Calculate the variance from

x	Frequency
05	135
06	120
07	125
08	135
09	135

[ var =2.053]

Q3) Calculate the Standard Deviation from

x	Frequency
10	65
11	120
12	145
13	115
14	90

[ Standard Deviation =1.261]

Q4) Calculate the mean from

x	Frequency
05	110
06	150
07	150
08	105
09	100

[ mean =6.894]

Q4) Calculate the variance from

x	Frequency
06	85
07	65
08	75
09	150
10	55

[ var =1.799]

Q4) Calculate the Standard Deviation from

x	Frequency
08	80
09	70
10	75
11	120
12	55

[ Standard Deviation =1.351]

Q5) Calculate the mean from

x	Frequency
08	65
09	60
10	70
11	150
12	135

[ mean =10.48]

Q5) Calculate the variance from

x	Frequency
10	55
11	105
12	125
13	110
14	85

[ var =1.596]

Q5) Calculate the Standard Deviation from

x	Frequency
08	115
09	145
10	120
11	130
12	130

[ Standard Deviation =1.400]