The independent values in a set of values of a test is called
Anonymous Quiz
38%
Degrees of freedom
25%
Test Statisticc
18%
Level of Significance
18%
Level of Confidence
The range of Level of Significance lies between ____________
Anonymous Quiz
20%
-∞ and ∞
37%
1 and -1
15%
n and -n
29%
0 and 1
Which of the following statements is true about the null hypothesis?
Anonymous Quiz
17%
Any wrong decision related to the null hypothesis results in three types of errors
59%
Any wrong decision related to the null hypothesis results in two types of errors
20%
Any wrong decision related to the null hypothesis results in one type of error
5%
Any wrong decision related to the null hypothesis results in four types of errors
If the null hypothesis is false then which of the following is accepted?
a)
b) c) d)
a)
b) c) d)
Anonymous Quiz
56%
Alternative Hypothesis.
6%
Positive Hypothesis
22%
Both A & B
16%
Null Hypothesis
The point where the Null Hypothesis gets rejected is called
Anonymous Quiz
45%
Critical Value
11%
Significant Value
42%
Rejection Value
3%
Test Value
Type 1 error occurs when?
a)
b) c) d)
a)
b) c) d)
Anonymous Quiz
17%
We reject H0 if it is False
72%
We reject H0 if it is True
4%
We can not solve the problem
8%
We accept H0 if it is False
Binomial Distribution is a ___________
Anonymous Quiz
24%
Continuous distribution
58%
Discrete distribution
16%
May be both
3%
Not a probability distribution
9. Skewness of Normal distribution is ___________
a)
b) c) d)
a)
b) c) d)
Anonymous Quiz
9%
Negative
16%
Positive
29%
0
46%
May be Positive or Negative
A paired T test consists of n pairs of observations. What is the number of degrees of freedom of the test?
Anonymous Quiz
18%
2n-1
72%
n-1
6%
n
4%
2n
If ‘m’ is the mean of Poisson Distribution, the P(0) is
given by ___________
m لامدا هي
given by ___________
m لامدا هي
Anonymous Quiz
73%
e ^ -m
9%
em
6%
e
12%
m ^ -e
When the p-value is less than the significance level (α), the decision in hypothesis testing is to
Anonymous Quiz
29%
Accept the null hypothesis
63%
Reject the null hypothesis
4%
Revise the null hypothesis
3%
Need more info
Power in hypothesis testing is the probability of:(فكر قبل الاجابة
Anonymous Quiz
39%
Rejecting the null hypothesis when it is false
28%
Making a Type II error
14%
Making a Type I error
20%
Accepting the null hypothesis when it is false
في حالة مجموعتين A, B
A
فيها القيم 1,2,3,4
B
فيها القيم
5,6,7,8
تقاطع المجموعتين هيطلع لك فاي
لكن الاحتمال هيطلع لك 0
A
فيها القيم 1,2,3,4
B
فيها القيم
5,6,7,8
تقاطع المجموعتين هيطلع لك فاي
لكن الاحتمال هيطلع لك 0
The assignment of value(s) to a population prameter based on a value of the corresponding sample statistic is called ..........
Anonymous Quiz
22%
Hypothesis test
64%
estemation
6%
Find the probability
7%
Propotion
when the confidence level increases, z value ....
Anonymous Quiz
10%
Does not change
53%
Increases
33%
decreases
4%
become 0
To decrease the width of a confidence interval ....
Anonymous Quiz
7%
Lower the confidence level
29%
Increase sample size
53%
Both A & B
11%
decrease sample size
Derived Channel
في حالة مجموعتين A, B A فيها القيم 1,2,3,4 B فيها القيم 5,6,7,8 تقاطع المجموعتين هيطلع لك فاي لكن الاحتمال هيطلع لك 0
عفوا يا شباب، العملية المقصودة هي التقاطع
For two events A and B, let P(A)=0.4, P(B)=K, and P(A U B)=0.6 , then k equals……
Anonymous Quiz
14%
0.2, when A,B are independent
77%
0.2, when A,B are mutually disjoint
3%
0.2, when A,B are dependent
6%
ALL