stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
SUMMATIVE TEST in Statistics and Probability Flashcards | StudBud
Explore
/
SUMMATIVE TEST in Statistics and Probability
SUMMATIVE TEST in Statistics and Probability
15 terms
·
StudBud Administration
·
34 plays
Summative Test
Flashcards
15 cards
F
Practice quiz
P
Host live
L
Questions
15
Answers
1
13. What is the population mean?
2.5
2
1
50
2
When the confidence level is at 99%, the significant levels is _____
0.01
0.10
1
0.99
3
Type II error is committed when the null hypothesis is_____.
rejected when it is false
not rejected when it is true
not rejected when it is false
rejected when it is true
4
14. What is the sample mean?
1
2
50
2.5
5
Refers to the data that involves two variables
univariate data
multiple data
correlation data
bivariate data
6
It is a graphical representation of the relationship between two variables.
Cartesian plane
scatterplot
number line
table
7
If we reject the null hypothesis when it is false, then we have committed_____.
a good decision
Type I error
an error
Type II error
8
When the confidence level is 90%, what is the level of significance?
0.05
0.1
0.01
0.5
9
Sheila knows that Kim is a liar, but she keeps on believing in him. Sheila has committed____.
Type I error
an error
Type II error
a good decision
10
John insists that Precious is his girlfriend when Precious does not even knew him. John has committed_______.
an error
Type I error
a good decision
Type II error
11
The sample is said to be small if ______.
n\ge 30
n < 30
n = 30
n\ne30
12
What is the degrees of freedom (df) if the sample size is 23?
25
22
23
24
13
The decision-making process for evaluating claims about a population based on the characteristics of a sample is_____.
mean
hypothesis testing
statistic
proportion
14
The following are bivariate data EXCEPT____.
number of teachers and students in school
price of a car
family income and weight of the students
IQ and score in the test
15
The sample is said to be large if _________.
n\ne30
n = 30
n\ge 30
n < 30
