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Null and Alternative Hypothesis

Total questions: 17

Worksheet time: 29mins

Name
Class
Date
1.

Students using brand A ball pens write better than those using brand B ball pens.

a)

alternative ; directional

b)

alternative ; nondirectional

c)

null

2.

There is no significant difference between the average weekly allowances of morning and afternoon pupils in Mapayapa Elementary School.

a)

alternative ; directional

b)

alternative ; nondirectional

c)

null

3.

Giving a Christmas bonus will increase the productivity of employees.

a)

alternative ; directional

b)

alternative ; nondirectional

c)

null

4.

The average income of families in Barangay Maalat is Php12, 000.00

a)

alternative ; directional

b)

alternative ; nondirectional

c)

null

5.

The proportion of housewives using washing machines in Quezon City is less than 50%.

a)

alternative ; directional

b)

alternative ; nondirectional

c)

null

6.

Residents of Sapang Palay commute on an average of 10 kilometres to their place of employment.

a)

alternative ; directional

b)

alternative ; nondirectional

c)

null

7.
Which of the following is the FIRST step of a hypothesis test?
a)
Check assumptions & conditions
b)
Find your test statistic
c)
State your conclusion
d)
State your null & alternative hypotheses
8.

This symbol denotes the null hypothesis

a)

Null hypothesis

b)

Alternative Hypothesis

c)

H0

d)

Ha

9.

This symbol denotes the alternative hypothesis

a)

Null hypothesis

b)

Alternative hypothesis

c)

H0

d)

Ha

10.
What is the only option for the null hypothesis? 
a)
H0 = k
b)
H0 > k
c)
H0 < k
d)
H0 ≠ k
11.
Which of the following is not an option for an alternate hypothesis? 
a)
Ha = k
b)
Ha > k
c)
Ha < k
d)
Ha ≠ k
12.

The null and alternative hypothesis can be the same.

a)

Yes

b)

No

c)

Maybe

d)

All the above

13.

Use the notation to state the alternative hypothesis and null hypothesis: "Less than 4% of high school students take Statistics."

a)

Ho : p = 0.04

HA : p > 0.04

b)

Ho : p = 0.04

HA : p < 0.04

c)

Ho : p = 0.04

HA : p ≠ 0.04

d)

Ho : p = 0.04

HA : p ≤ 0.04

14.

Which of the following represents the appropriate null & alternative hypotheses?

The mean height of women is greater than 64"

a)

H0: μ > 64"

HA: μ = 64"

b)

H0: μ = 64"

HA: μ > 64"

c)

H0: p = 64"

HA: p ≠ 64"

d)

H0: p = 64"

HA: p > 64"

15.

Which of the following symbols can be in the NULL hypothesis? (Select ALL that apply)

a)

=

b)

>

c)

<

d)

\le  

e)

\ge  

16.

A grocery store announces that the average wage of its employees is $12.50/hour. The claim made would be w=12.50. Is this the null or alternative hypothesis?

a)

null

b)

alternative

17.

Which of the following symbols can be in the ALTERNATIVE hypothesis?

a)

=

b)

>

c)

\ne

d)

\ge

e)

<