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Empirical Rule Review
Empirical Rule Review
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Flashcards
28 cards
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Questions
28
Answers
1
how many algebra students scored between 61 and 75 if there are 500 students total?
500
218
340
238
2
What percentage of scores is greater than a score of 96?
85%
2.5%
15%
.15%
3
how many algebra students scored between 68 and 82 if there are 500 students total?
500
340
475
68%
4
What percentage of scores are between scores 61 and 82?
81.5%
19.5%
2.5%
100%
5
What percent is within one red section of this normal curve?
27%
16%
13.5%
25%
6
Find the mean and the standard deviation
mean= 24.8; standard deviation=39.2
mean= 24, standard deviation=39
mean= 39.2, standard deviation=24.8
mean= 39 standard deviation=24
7
About 68% of the Florida population is between what 2 ages?
34%
12.1-64
14.4-64
12.1-51.1
8
What percentage of scores are between scores 75 and 82?
27%
34%
13.5%
68%
9
Answer the following
C
B
A
10
Answer the following
A
C
B
D
11
What interval should contain 95% percent of the test scores
590-690
190-790
290-690
490-590
12
What test scores are three standard deviations from the mean
290 and 890
190 and 790
190
95%
13
What percent of the Florida population is older than 14.4 years old?
97.5%
83.85%
84%
16%
14
Answer the following
A
D
C
B
15
How many algebra students scored between 61 and 89 If there are 500 students total?
340
323
95%
475
16
What is the percent within one green section of every normal cruve
2.35%
2.5%
.23%
5%
17
What percentage of scores are between scores 61 and 89?
16%
2.35%
5%
95%
18
we have a sample of 3000 Floridians, how many people would be younger than 88.8 years old?
97.5%
83.85%
800
2925
19
What percentage of scores is less than a score of 61?
.25%
5%
2.5%
95%
20
how many algebra students scored higher than 89 if there are 500 students total?
2.35%
13
487
2.5%
21
What percent of the Florida population is younger than 88.8 years old?
95%
34%
99.7%
97.5%
22
how many algebra students scored between 89 and 96 if there are 500 students total?
2.5%
12
11
2.35%
23
Answer the following
A
C
D
B
24
Answer the following
C
A
D
B
25
What percent is within one blue section of this normal curve?
13.5%
16%
34%
27%
26
Answer the following
A
D
B
C
27
What percentage of seniors scored between 390 and 590 on this SAT test?
95%
34%
13.5%
68%
28
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