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Introduction to Statistics Final Exam Day Game Flashcards | StudBud
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Introduction to Statistics Final Exam Day Game
Introduction to Statistics Final Exam Day Game
20 terms
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StudBud Administration
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228 plays
This is the Quiz! Game for the Introduction to Statistics (MATH-203) Class on their Final Exam Day.
Flashcards
20 cards
F
Practice quiz
P
Host live
L
Questions
20
Answers
1
Predicting response values for those outside of the range of the explanatory variable data values is _______.
Interpretation
Substitution
Interpolation
Extrapolation
2
If the slope is negative, and the coefficient of determination is 0.95, then the linear correlation coefficient is 0.97.
True
False
3
The variable "Models of automobiles at 10 dealerships in Orange County" is what type of variable?
Ordinal
Continuous
Nominal
Discrete
4
The variable "heights of 15 randomly chosen students enrolled at Anaheim High School" is collected from a sample.
False
True
5
Failing to reject a false null hypothesis is called a Type II error.
True
False
6
What is the shape of the distribution if the mean is greater than the median?
Normal
Symmetric
Skewed to the right
Skewed to the left
7
The standard error of the mean is the square root of the standard deviation divided by the sample size of the data.
True
False
8
If the test statistic is in the non-rejection region, the null hypothesis is rejected.
False
True
9
Based on the given box-and-whiskers plot of pulse rate (bpm) below, what is the value of the lower adjacent value?
49
55
51.5
95
10
Which measure has 15% of the observations are less than it and 85% of the observations are greater than it?
85th percentile
0.15th percentile
15th percentile
0.85th percentile
11
This test,H_0:μ\ge98.6;H_a:μ<98.6;is a right-tailed test.
False
True
12
What is the shape of the given box-and-whisker plot?
Skewed-to-the-left
Uniform
Symmetric
Skewed-to-the-right
13
Cluster sampling is done by dividing the population into groups & drawing the same number of samples from each group.
False
True
14
What numerical measure represents the balance point of the distribution?
Median
Mode
Variance
Mean
15
If the observed is greater than the predicted value of the dependent variable, there is overprediction.
True
False
16
______________ is the science of data.
Mathematics
Analysis
Probability
Statistics
17
If the distribution is bimodal, how many peaks does the distribution have?
Three
Five
Two
Four
18
What quantity represents the square of the linear correlation coefficient?
Standard deviation
Variance
Coefficient of Determination
Coefficient of Variation
19
TRUE OR FALSE: The null hypothesis in a t-test is the statistical statement that includes equality.
True
False
20
What sampling method is used when the same number of individual is taken from each group that stratify the population?
Cluster Sampling
Simple Random Sampling
Systematic Sampling
Stratified Sampling
