PSYC 3010 Chap 6A

Test your knowledge on key concepts in probability and inferential statistics with this engaging quiz. From probability symbols to normal distribution shapes, challenge yourself with a variety of questions.

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Questions 19

Answers

1
What does the z-score define?
Mean of distribution
Sections of distribution
Mode of distribution
Variance of distribution
2
What does the shaded portion in Figure 6.2 represent?
Scores ≠ X = 4
Scores = X = 4
Scores < X = 4
Scores > X = 4
3
What is Euler's number approximately?
2.71828
1.61803
3.14159
0.57721
4
What does a frequency distribution graph represent?
Median scores
Mean scores
Sample scores
Population scores
5
What is the role of probability in inferential statistics?
Predict samples
Calculate mean
Define populations
Estimate variance
6
Complete the sentence: Probability is used to predict...
Type of scores
Type of distributions
Type of populations
Type of samples
7
What shape does a normal distribution have?
Asymmetrical
Skewed
Symmetrical
Flat
8
What is the probability density symbolized by?
σ
X
μ
Y
9
What is the probability of z > 2.00?
15.00%
5.00%
2.28%
10.00%
10
What is the probability of obtaining a royalty card?
14/52
12/52
16/52
10/52
11
Which constant is used in normal distribution equation?
μ
π
σ
e
12
How is probability symbolized?
r(event)
q(event)
p(event)
s(event)
13
What does p(red ace) represent?
Probability of red ace
Probability of black ace
Probability of any ace
Probability of no ace
14
What is required for random sampling?
Variable sample size
Sampling without replacement
Sampling with replacement
Fixed sample size
15
What is the probability of SAT score > 700?
5.00%
2.28%
15.00%
10.00%
16
What is the probability of drawing a red ace?
0.03846
0.15384
0.07692
0.30768
17
What is the variance symbolized by?
e²
σ²
π²
μ²
18
What is the probability notation for SAT score > 700?
p(X ≠ 700)
p(X < 700)
p(X = 700)
p(X > 700)
19
What is the mean in Example 6.2?
500
600
700
800

PSYC 3010 Chap 6A Flashcards | StudBud

PSYC 3010 Chap 6A

19 termsStudBud Administration

Flashcards19 cardsFPractice quizPHost liveL

Questions 19

Answers

1
What does the z-score define?
Mean of distribution
Sections of distribution
Mode of distribution
Variance of distribution
2
What does the shaded portion in Figure 6.2 represent?
Scores ≠ X = 4
Scores = X = 4
Scores < X = 4
Scores > X = 4
3
What is Euler's number approximately?
2.71828
1.61803
3.14159
0.57721
4
What does a frequency distribution graph represent?
Median scores
Mean scores
Sample scores
Population scores
5
What is the role of probability in inferential statistics?
Predict samples
Calculate mean
Define populations
Estimate variance
6
Complete the sentence: Probability is used to predict...
Type of scores
Type of distributions
Type of populations
Type of samples
7
What shape does a normal distribution have?
Asymmetrical
Skewed
Symmetrical
Flat
8
What is the probability density symbolized by?
σ
X
μ
Y
9
What is the probability of z > 2.00?
15.00%
5.00%
2.28%
10.00%
10
What is the probability of obtaining a royalty card?
14/52
12/52
16/52
10/52
11
Which constant is used in normal distribution equation?
μ
π
σ
e
12
How is probability symbolized?
r(event)
q(event)
p(event)
s(event)
13
What does p(red ace) represent?
Probability of red ace
Probability of black ace
Probability of any ace
Probability of no ace
14
What is required for random sampling?
Variable sample size
Sampling without replacement
Sampling with replacement
Fixed sample size
15
What is the probability of SAT score > 700?
5.00%
2.28%
15.00%
10.00%
16
What is the probability of drawing a red ace?
0.03846
0.15384
0.07692
0.30768
17
What is the variance symbolized by?
e²
σ²
π²
μ²
18
What is the probability notation for SAT score > 700?
p(X ≠ 700)
p(X < 700)
p(X = 700)
p(X > 700)
19
What is the mean in Example 6.2?
500
600
700
800