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WorksheetsStatistics and Probability
Total questions: 35
Worksheet time: 1hrs 7mins
Name
Class
Date
1.
Roger bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is the range of Roger's scores?
a)
193
b)
127
c)
60
d)
66
2.
Find the median, mode and range:
3, 5, 7, 9, 11, 8, 3
3, 5, 7, 9, 11, 8, 3
a)
median:7 mode:3 range:8
b)
median:6 mode:3 range:7
c)
median:7 mode:3 range:8
3.
What data value is the upper quartile (Q3)?
a)
64
b)
62
c)
66
d)
58
4.
6. Which city has a higher median?
a)
Millersburg
b)
Arcadia
5.
What value is the lower quartile (Q1)?
a)
66
b)
58
c)
60
d)
64
6.
a)
A
b)
B
c)
C
d)
D
7.
a)
A
b)
B
c)
C
d)
D
8.
a)
100
b)
90
c)
65
d)
92
9.
What is the difference in the ranges?
a)
5 points
b)
10 points
c)
20 points
d)
35 points
10.
What test has a greater median?
a)
Test 1
b)
Test 2
c)
They have the same median.
d)
You cannot tell from the dot plots.
11.
Which of the following statements is not true?
a)
Test 2 has a wider spread than Test 1.
b)
Test 2 is skewed to the left.
c)
Test 1 has a median of 60.
d)
Test 2 has a higher maximum than Test 1.
12.
What percentage of the data is between 90 and 140?
a)
25 %
b)
50%
c)
75%
d)
100%
13.
What is the interquartile range (IQR)?
a)
4
b)
64
c)
60
d)
8
14.
Which box and whisker plot has the smallest lower quartile (Q1)?
a)
Top plot
b)
Bottom plot
15.
Which box and whisker plot has the highest median?
a)
Top plot
b)
Bottom plot
16.
Calculate the interquartile range of the following data17, 18, 18, 19, 20, 21, 21, 23, 25
a)
3
b)
4
c)
5
d)
8
17.
Determine the mean absolute deviation of the data. 9, 7, 11, 10, and 8
a)
9
b)
6
c)
1.2
d)
5
18.
Find the MAD:
58, 38, 54, 48, 26, 36
58, 38, 54, 48, 26, 36
a)
43
b)
20
c)
10
d)
12
19.
On a 6-sided die, which is more likely?
a)
Rolling an odd number
b)
Rolling an even number
c)
They are both equally likely.
20.
Shannon has a bag of jelly beans. She removed on jelly bean, recording the color, and then replaced it. She repeated the process several times and record her results in the table. What is the experimental probability of her selecting a red jelly bean?
a)
11/33
b)
1/3
c)
1/4
d)
18/26
21.
The chart below represents the number of marbles in a jar.
P(green) =
P(green) =
a)
5/19
b)
10/28
c)
5/14
22.
The cafeteria has 2 choices of salads, 3 choices of entrees, and 2 choices of beverages. How many meal combinations are available and why?
a)
7 because 2 + 3 + 2
b)
12 because 2(3)(2)
23.
Experimental Probability is:
a)
What Will happen
b)
What actually happens
c)
What should happen
d)
What I think Happens
24.
A bag has 3 red marbles, 2 blue and 4 yellow. What is the theoretical probability of pulling a red?
a)
3/10
b)
3/9
c)
1/9
d)
1/3
25.
The following M & M colors are in the bowl:
4 yellow, 6 orange, 3 green, 5 blue, 2 brown
What is the probability of selecting a brown candy, not replacing it then selecting a blue candy?
4 yellow, 6 orange, 3 green, 5 blue, 2 brown
What is the probability of selecting a brown candy, not replacing it then selecting a blue candy?
a)
1/40
b)
7/20
c)
6/19
d)
1/38
26.
The following M & M colors are in the bowl:
4 yellow, 6 orange, 3 green, 5 blue, 2 brown
What is the probability of selecting a yellow candy, not replacing it, then selecting a green candy?
4 yellow, 6 orange, 3 green, 5 blue, 2 brown
What is the probability of selecting a yellow candy, not replacing it, then selecting a green candy?
a)
1/5
b)
3/19
c)
3/95
d)
12/380
27.
You flip a nickel three times.
Find the probability that all flips will land on tails.
Find the probability that all flips will land on tails.
a)
1/2
b)
1/4
c)
1/6
d)
1/8
28.
What is the experimental probability of landing on orange or red?
a)
2/5
b)
3/8
c)
3
d)
10 times
29.
What is the probability of spinning a red if we spin 30 times?
a)
1/5
b)
1/30
c)
3/30
d)
1/10
30.
If I spin 35 times, how many times should the color yellow show up?
a)
1
b)
5
c)
7
d)
10
31.
At Papa John's you are deciding on what you want for dinner. The pizza offers 8 different meats, 4 different cheeses, 3 different crust types and 2 different sauces. How many different pizzas do you have to choose from?
a)
32
b)
192
c)
40,320
d)
51,200
32.
A menu has 6 different sandwiches, with 3 choices of potato chips, 3 types of salad and 5 different beverages. How many different lunch combinations consisting of a sandwich, chips and beverage can be ordered?
a)
30
b)
17
c)
90
d)
270
33.
A school randomly chose ten English teachers and asked them which type of juice their students would prefer. Which reason best shows why this sample is biased?
a)
The sample didn't include students.
b)
The sample is too small.
c)
The sample can only be accurate if each teacher is included in the sample
34.
At a middle school, the 7th graders will conduct a survey for where to go on a field trip. Which method will result in the least biased decision?
a)
to randomly ask 8th grade students who went on a field trip last year
b)
to randomly choose some 7th grade students to select a location
c)
to ask all 7th grade teachers and administrators for a location
d)
to ask the student council to choose a location
35.
What is the probability of rolling 15 with a pair of dice?
a)
impossible
b)
unlikely
c)
equally likely
d)
likely
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