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PSY 136 prep 1 Flashcards | StudBud
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PSY 136 prep 1
PSY 136 prep 1
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1
Levels of measurement: Temperature in Fahrenheit.
Ordinal
Ratio
Interval
Nominal
2
This frequency distribution graph is referred to as a(n)
Histogram
Plaedogram
Actogram
Numerogram
3
Levels of measurement: Place in a race (1st, 2nd, 3rd, etc.)
Ratio
Nominal
Ordinal
Interval
4
What does this probability represent: 0.003?
3%
0.3%
0.003%
0.03%
5
Using the figure, what's the probability of getting at least 7?
0.12
0.051
0.04
0.171
6
If I were to roll two 6-sided dice, what's the probability that I'd get two 6s?
1/6
1/36
1/18
1/12
7
Measures of central tendency and spread of sample data are types of:
Inferential statistics
Descriptive statistics
8
Mean = 9, Median = 12. What is the direction of the skew?
Positive
Negative
9
If I were to draw from a deck of cards with replacement, what's the probability that I'd draw two hearts in a row?
>50%
<50%
10
Using the figure, what's the probability of getting a value at least 2 SDs greater than the mean?
0.025
0.270
0.0235
0.735
11
What's the acceptable level of risk of a false alarm that scientists use when determining statistical significance?
5%
0.05%
10%
0.10%
12
Parameters describe ______ and statistics describe ______.
Populations; samples
Samples; populatoins
13
A frequency distribution of the salaries of all Amazon employees, including Jeff Bezos.
Negative skew
Positive skew
14
Levels of measurement: Weight in lbs.
Ratio
Ordinal
Interval
Nominal
15
If I were to flip a coin 5 times in a row, what's the probability I'd get at least 1 tails?
<50%
>50%
16
College major is an example of _________ data.
Qualitative
Quantitative
17
Levels of measurement: colors.
Ratio
Ordinal
Nominal
Interval
18
Which type of experimental design allows for causal inferences?
Correlational designs
Experimental designs
19
Using the figure, what's the probability of getting a value within 1 SD of the mean?
0.68
0.135
0.50
0.34
20
If I were to roll two 6-sided dice, what's the probability that I'd get a sum score greater than 5?
>50%
<50%
21
What type of skew is this?
Positive
Negative
22
Which has a larger standard deviation?
A
B