Question
In: Statistics and Probability
A statistics student wondered whether there might be a relationship between gender andcommuting methods among students...
A statistics student wondered whether there might be a relationship between gender andcommuting methods among students at a high school. He surveyed 200 the high school students (92 males and 108 females) he happened to encounter around campus, asking each of them about their typical way of commuting to the college. The data from this survey appears below:
| Male | Female | |
| Car | 56 | 37 |
| Bus | 30 | 48 |
| Neither | 6 | 23 |
1. List the appropriate conditions for this test and explain why each has (or has not) been satisfied:
2. Compute the P-value for this test
3. State an appropriate conclusion for this test
Solutions
orchestra answered 1 year agoRelated Solutions
A statistics student who is curious about the relationship between the amount of time students spend...
A statistics student who is curious about the relationship
between the amount of time students spend on social networking
sites and their performance at school decides to conduct a survey.
Three research strategies for collecting data are described below.
Match each strategy with the correct sampling method. He randomly
samples 40 students from the study's population, gives them the
survey, asks them to fill it out and bring it back the next day.
Answer 1 He gives out the survey...
A statistics student who is curious about the relationship between the amount of time students spend...
A statistics student who is curious about the
relationship between the amount of time students spend on social
networking sites and their performance at school decides to conduct
a survey. Three research strategies for collecting data are
described below. In each, name and discuss the sampling method
proposed and any bias you might expect.
He randomly samples 300 students from the study's
population, gives them the survey, asks them to fill it out and
bring it back the next day....
Suppose you are trying to show that there is a relationship between gender, living arrangement and the number of texts sent daily among students.
Prompt: Suppose you are trying to show that there is a relationship between gender, living arrangement and the number of texts sent daily among students. You take a sample of 12 students, record their gender (F&M) and ask whether they live at home (H), campus (C), or off campus (O)
H
C
O
F
3 & 7
9 & 13
12 & 16
M
1& 5
3 & 7
2 & 6
Questions: (Known top row effect =...
Stephanie is curious in knowing whether there is a relationship between gender and the area of...
Stephanie is curious
in knowing whether there is a relationship between gender and the
area of interest. She randomly sampled some students and collects
the following info. Her objective is find out if the gender
influences the choice of the field to study.
Science
Arts
Business
Total
Male
27
28
45
100
Female
20
41
54
115
Total
47
69
99
215
1. How many degrees of
freedom should she use for the Chi-Square test?
2. What is the
Chi-Squared...
We seek to determine whether or not there is a relationship between gender and preference for...
We
seek to determine whether or not there is a relationship between
gender and preference for ice
cream flavor. My
data come from a hypothetical survey of 920 people that asked for
their preference of 1 of the above
3
ice cream flavors. Here are the data:
Flavor
Chocolate
Vanilla
Strawberry
Total
Gender
Men
100
120
60
280
Women
350
200
90
640
Total
450
320
150
920
a. State the
Null and Alternative hypotheses. (2)
b. Assuming
the Null Hypothesis is correct, find...
We seek to determine whether or not there is a relationship between gender and preference for...
We seek to determine whether or not there is a relationship
between gender and preference for ice cream flavor. My data come
from a hypothetical survey of 920 people that asked for their
preference of 1 of the above 3 ice cream flavors. Here are the
data:
Flavor
Gender Chocolate Vanilla Strawberry Total
Men 100 120 60 280
Women 350 200 90 640
Total 450 320 150 920
a. State the Null and Alternative hypotheses.
b. Assuming the Null Hypothesis...
A questionnaire collects information from UTS students on gender and whether or not the student smokes....
A questionnaire collects information from UTS students on gender
and whether or not the student smokes. The resultant two-way table
is shown below.
Women Men Total
Don’t smoke 153 166 319
Smoke 16 27 43
Total 169 193 362
a) We intend to test whether there is a difference in the
proportion of men and women who smoke. Define the parameters, and
state the Null and Alternative hypotheses
b) What proportion of men are smokers? What proportion of women
are...
A researcher wishes to determine whether there is a significant relationship between the gender of psychology...
A researcher wishes to determine whether there is a significant
relationship between the gender of psychology students and the
refreshment drink they prefer. The results obtained from a survey
of students are presented in the following table: Preferred Drink
Gender Water Coffee Soda Total Male 46 29 40 115 Female 29 36 70
135 Total 75 65 110 250.
Perform an appropriate two-tailed hypothesis test at α = 0.05.
If a significant result is obtained, determine the strength of the...
Is there a relationship between handedness and gender?
Is there a relationship between handedness and gender? A researcher collected the following data in hopes of discovering if handedness and gender are independent (Ambidextrous individuals were excluded from the study). Use the Chi-Square test for independence to explore this at a level of significance of 0.05.
Left-Handed
Right-Handed
Men
13
22
Women
27
18
A statistics instructor wants to examine the relationship between the hours a student spends studying for...
A statistics instructor wants to examine the relationship
between the hours a student spends studying for the final exam
(Hours) and a student's grade on the final exam (Grade). She takes
a sample of five students.
Student
x (Hours)
y (Grade)
1
8
75
2
2
47
3
3
50
4
15
88
5
25
93
a. Computer the Average and Standard Deviation for x and y USING
EXCEL.
b. Computer the sample covariance for x & y USING EXCEL...
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