Question 1 (Multiple Choice Worth 1 points)
(06.05)<object:standard:macc.912.s-id.2.5>
The table shows music preferences:
What type of music do you prefer? |
|
Pop |
Classical |
Rap |
Jazz |
Rock |
Row totals |
Male student |
80 |
60 |
80 |
70 |
100 |
390 |
Female student |
200 |
150 |
20 |
70 |
50 |
490 |
Column totals |
280 |
210 |
100 |
140 |
150 |
880 |
Which of the following are possible positive associations or observations?
Question 2 (Multiple Choice Worth 1 points)
(06.05)<object:standard:macc.912.s-id.2.5>
The table shows preferences of dancing or playing sports for male and female students:
Do you prefer dancing or playing sports? |
|
Playing sports |
Dancing |
Row totals |
Male students |
32 |
12 |
44 |
Female students |
32 |
52 |
84 |
Column totals |
64 |
64 |
128 |
Which of the following are possible positive associations or observations?
Question 3 (Multiple Choice Worth 1 points)
(06.05)<object:standard:macc.912.s-id.2.5>
The table shows vacation preferences of families with children under 16 and over 16:
Summer vacation |
|
Camping |
Traveling out of state |
Activities in local area |
Row totals |
At least one child under 16 |
22 |
12 |
36 |
70 |
All children 16 or older |
17 |
45 |
20 |
82 |
Column totals |
39 |
57 |
56 |
152 |
Sharon mistakenly calculated the marginal relative frequency for traveling out of state to be 57 out of 100 or 57%. What should Sharon have done, and what is the correct answer?
Question 4 (Multiple Choice Worth 2 points)
(06.05)<object:standard:macc.912.s-id.2.5>
Male and female students were asked at which location they would most want to vacation. They had the following preferences:
Which location would you most like to visit? |
|
Aspen, Colorado |
New York, New York |
Row totals |
Male students |
0.22 |
0.28 |
0.50 |
Female students |
0.16 |
0.34 |
0.50 |
Column totals |
0.38 |
0.62 |
1 |
Which of the following is a two-way conditional frequency table for gender?
Which location would you most like to visit? |
|
Aspen, Colorado |
New York, New York |
Male students |
0.58 |
0.45 |
Female students |
0.42 |
0.55 |
Column totals |
1 |
1 |
Which location would you most like to visit? |
|
Aspen, Colorado |
New York, New York |
Row totals |
Male students |
22% |
28% |
50% |
Female students |
16% |
34% |
50% |
Column totals |
38% |
62% |
100% |
Which location would you most like to visit? |
|
Aspen, Colorado |
New York, New York |
Row totals |
Male students |
44 |
56 |
100 |
Female students |
32 |
68 |
100 |
Column totals |
76 |
124 |
200 |
Which location would you most like to visit? |
|
Aspen, Colorado |
New York, New York |
Row totals |
Male students |
0.44 |
0.56 |
1 |
Female students |
0.32 |
0.68 |
1 |
Question 5 (Multiple Choice Worth 2 points)
(06.05)<object:standard:macc.912.s-id.2.5>
High school students from grades 9-10 and 11-12 were asked to choose the kind of band to have play at a school dance: rap, rock, or country.
Their choices were as follows:
Grades 9-10—Rap: 40; Rock: 30; Country: 55
Grades 11-12—Rap: 60; Rock: 25; Country: 35
Which of the following is a correct two-way frequency table for the data?
Band preference for school dance |
|
Rap |
Rock |
Country |
Row totals |
Grades 9-10 |
0.28 |
0.21 |
0.38 |
0.86 |
Grades 11-12 |
0.41 |
0.17 |
0.24 |
0.83 |
Column totals |
0.69 |
0.38 |
0.62 |
1 |
Band preference for school dance |
|
Rap |
Rock |
Country |
Row totals |
Grades 9-10 |
0.40 |
0.55 |
0.61 |
0.86 |
Grades 11-12 |
0.60 |
0.45 |
0.39 |
0.83 |
Column totals |
1 |
1 |
1 |
1 |
Band preference for school dance |
|
Rap |
Rock |
Country |
Row totals |
Grades 9-10 |
40 |
30 |
55 |
125 |
Grades 11-12 |
60 |
25 |
35 |
120 |
Column totals |
100 |
55 |
90 |
245 |
Band preference for school dance |
|
Rap |
Rock |
Country |
Row totals |
Grades 9-10 |
0.32 |
0.24 |
0.44 |
1 |
Grades 11-12 |
0.50 |
0.21 |
0.29 |
1 |
Column totals |
0.69 |
0.38 |
0.62 |
1 |
Question 6 (Multiple Choice Worth 2 points)
(06.05)<object:standard:macc.912.s-id.2.5>
High school students and college students were surveyed to see what type of movies they prefer. The results are as follows:
High school—Action: 26; Drama: 14; Comedy: 22
College—Action: 20; Drama: 28; Comedy: 18
Which of the following is a correct two-way relative frequency table for the data?
Movie Preference |
|
Action |
Drama |
Comedy |
Row totals |
High School |
26 |
14 |
22 |
62 |
College |
20 |
28 |
18 |
66 |
Column totals |
46 |
42 |
40 |
128 |
Movie Preference |
|
Action |
Drama |
Comedy |
Row totals |
High School |
0.57 |
0.33 |
0.55 |
0.48 |
College |
0.43 |
0.67 |
0.45 |
0.52 |
Column totals |
1 |
1 |
1 |
1 |
Movie Preference |
|
Action |
Drama |
Comedy |
Row totals |
High School |
0.42 |
0.23 |
0.35 |
1 |
College |
0.30 |
0.42 |
0.27 |
1 |
Column totals |
0.36 |
0.33 |
0.31 |
1 |
Movie Preference |
|
Action |
Drama |
Comedy |
Row totals |
High School |
0.20 |
0.11 |
0.17 |
0.48 |
College |
0.16 |
0.22 |
0.14 |
0.52 |
Column totals |
0.36 |
0.33 |
0.31 |
1 |
Question 7 (Multiple Choice Worth 1 points)
(06.05)<object:standard:macc.912.s-id.2.5>
Using the following table, what term best describes the entry of 62%?
Which location would you most like to visit? |
|
Aspen, Colorado |
New York, New York |
Row totals |
Male students |
22% |
28% |
50% |
Female students |
16% |
34% |
50% |
Column totals |
38% |
62% |
100% |