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11IB Statistics

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

5.     It is defined as the specific group that you will collect data from.

a)

A. Population

b)

B. Sample

c)

C. Mean

d)

D. Statistic

2.

2.     It is the entire group that you want to draw conclusions about.

a)

A. Parameter

b)

B. Statistic

c)

C. Population

d)

D. Sample

3.

9. What formula is this?

a)

A. population distribution

b)

B. Standard deviation

c)

C. Sample mean

d)

D. Sample variance

4.
Which of the following is a measure of variability?
a)
mean
b)
median
c)
mode
d)
standard deviation
5.

Which function can be used to find mean in Excel?

a)

min()

b)

average()

c)

round()

d)

sum()

6.

Variance measures shows that

a)

What is data?

b)

How much data is included

c)

how far a data set is spread out.

d)

None

7.

What is relationship between two variables called?

a)

Combination

b)

Internship

c)

Correlation

d)

Norelation

8.

depicts amounts frequencies for different categories of data by a series of bars.

a)

pictograph

b)

circle graph

c)

bar graph

d)

line graph

9.

A statement or theory subjected to a test

a)

hypothesis

b)

conclusion

c)

analysis

d)

problem

10.

At Lokmacım the number of lokmas in a bag can vary. Help Ahmet find the mode. 12,10,10,10,13,12,11,13,10

a)
13
b)
12
c)
11
d)
10
11.
What shape is a normal distribution curve?
a)
Half curve
b)
Round curve
c)
Bell curve
d)
Square curve
12.
Find the degrees of freedom.
a)
4
b)
5
c)
6
d)
7
13.
Which significance level  
(column) do you look at when finding the critical value?
a)
.50
b)
.10
c)
.05
d)
.01
14.

This symbol denotes the null hypothesis

a)

Null hypothesis

b)

Alternative Hypothesis

c)

H0

d)

Ha

15.

What type of statistical test do we use to compare 2 classes' student biology scores?

a)

2 samples t-test

b)

1 sample t-test

c)

ANOVA

d)

Correlation