BESC 3010 (5) Questions with CORRECT Answers
Question:
In a sample of women, the number of children that each woman has is an example of
which level of measurement?
Answer:
Interval
Question:
Military ranks are an example of what level of measurement?
Answer:
Nominal
Question:
Gender is an example of what level of measurement?
Answer:
Interval
Question:
The visual difference between bar graphs and histograms is that in (1) the bars
touch each other and in (2) the bars do not. (1) Bar graphs, (2) histograms (1)
Normal distributions, (2) highly skewed distributions (1) Histograms, (2) bar
graphs (1) Highly skewed distributions, (2) normal distributions
Answer:
(1) histograms, (2) bar graphs
Question:
Which of the following is not true about the normal distrubition?
Answer:
Skewness = 0
Question:
What is the standard deviation of the population from which the sample below was
drawn from?
Answer:
1.10
, Question:
What is the variance of the sample represented by the numbers below?
Answer:
1.20
Question:
What type of variability is used to screen for data entry errors and outliers?
Answer:
Variance
Question:
If variance is very low: The individuals in the data set are very similar to each
other The individuals in the data set are very different from each other The data
set is too big The standard deviation is higher than the variance
Answer:
the individuals in the data set are very similar to each other
Question:
When Pearson's r is negative, variables are said to have an "inverse
relationship." What does this mean?
Answer:
That when X increases, Y decreases
Question:
That X and Y are outside of the appropriate range That X and Y increase or
decrease together That X and Y are not correlated
Answer:
that when x increases, y decreases
Question:
Which of the following is always true for "statistically significant" results?
Answer:
The pvalue is higher than the alpha
Question:
In a sample of women, the number of children that each woman has is an example of
which level of measurement?
Answer:
Interval
Question:
Military ranks are an example of what level of measurement?
Answer:
Nominal
Question:
Gender is an example of what level of measurement?
Answer:
Interval
Question:
The visual difference between bar graphs and histograms is that in (1) the bars
touch each other and in (2) the bars do not. (1) Bar graphs, (2) histograms (1)
Normal distributions, (2) highly skewed distributions (1) Histograms, (2) bar
graphs (1) Highly skewed distributions, (2) normal distributions
Answer:
(1) histograms, (2) bar graphs
Question:
Which of the following is not true about the normal distrubition?
Answer:
Skewness = 0
Question:
What is the standard deviation of the population from which the sample below was
drawn from?
Answer:
1.10
, Question:
What is the variance of the sample represented by the numbers below?
Answer:
1.20
Question:
What type of variability is used to screen for data entry errors and outliers?
Answer:
Variance
Question:
If variance is very low: The individuals in the data set are very similar to each
other The individuals in the data set are very different from each other The data
set is too big The standard deviation is higher than the variance
Answer:
the individuals in the data set are very similar to each other
Question:
When Pearson's r is negative, variables are said to have an "inverse
relationship." What does this mean?
Answer:
That when X increases, Y decreases
Question:
That X and Y are outside of the appropriate range That X and Y increase or
decrease together That X and Y are not correlated
Answer:
that when x increases, y decreases
Question:
Which of the following is always true for "statistically significant" results?
Answer:
The pvalue is higher than the alpha
