If an individual data point is subtracted from the mean, what will the result be called?
A) Standard deviation
B) Mean deviation
C) Variance
D) Deviation
The process of using sample statistics to draw conclusions about true population parameters is called:
A) Descriptive statistics
B) Inferential statistics
C) Data analysis
D) Data collection
Which one of the following is NOT a property of the mean?
A) The mean is sensitive to extreme values
B) The mean is always equal to the median in a skewed distribution
C) The mean minimizes the sum of squared deviations
D) The mean is a measure of central tendency
Which of the following represents the median in a dataset?
A) The middle value
B) The mean value
C) The most frequent value
D) The sum of values divided by the number of values
Which of the following measures is NOT a measure of central tendency?
A) Mean
B) Median
C) Range
D) Mode
In a box plot, what do the ends of the box represent?
A) The first and third quartiles
B) The minimum and maximum values
C) The mean and median
D) The mode and range
Which of the following is not a characteristic of a normal distribution?
A) It is skewed to the right
B) It is symmetric about the mean
C) The mean, median, and mode are equal
D) It follows the Empirical Rule
What is the purpose of statistical hypothesis testing?
A) To collect data
B) To make a decision about a population parameter based on sample data
C) To describe data
D) To measure central tendency

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