WorksheetsQuiz#2
Total questions: 10
Worksheet time: 22mins
Name
Class
Date
1.
1. What is the total area in the distribution under the curve?
a)
0
b)
1
c)
2
d)
3
2.
2. What percent of the area under a normal curve is within 2 standard
deviations?
a)
68%
b)
95%
c)
99.7%
d)
100%
3.
3. Which of the following symbol is use to represent a population standard deviation?
a)
µ
b)
α
c)
σ
d)
Σ
4.
4. Compute for the Mean.
76, 78, 80, 82, 84, 86, 88, 90
a)
80
b)
81
c)
82
d)
83
5.
5. What is the formula for calculating Z?
a)
z=σx−µ
b)
z=σ2x−µ
c)
z=xx−µ
d)
z=σx−z
6.
6. Compute for the Z-Values with a given of µ = 70 σ = 12 x = 80
a)
0.97
b)
-0.83
c)
0.83
d)
-0.97
7.
7. Find the Area of below z=2.45
a)
0.9927
b)
0.0071
c)
0.0073
d)
0.9929
8.
8. Find the area Between z = -1.8 and z = 3.49
a)
-0.9639
b)
0.9639
c)
0.9998
d)
0.0359
9.
9. What Z-value correspond to P55 in the Z-table?
a)
0.11
b)
0.12
c)
0.13
d)
0.14
10.
What Z-value correspond to P28 in the Z-table?
a)
0.58
b)
0.59
c)
-0.58
d)
-0.59
100 %
