STATISTICS QUIZ ELIMINATION 2023

What is the mode of the following data set: 2, 4, 6, 4, 8, 2, 4, 10?

Which of the following measures of central tendency is most affected by outliers?

• Mean

• Median

• Mode

• Range

• Variance

Which of the following tests can assess if two sets of data have equal variances?

• Tukey test

• Kolmogorov-Smirnov test

• Levene’s Test

• Z-testMann-Whitney test

What do you call the statistical measure which is the average distance of each observation from the mean?

• Median
• Mode
• Standard Deviation
• Range

Which of the following describes the distribution of a set of data if the mean is greater than the median?

• platykurtic

• leptokurtic

• Positively skewed distribution
• Negatively skewed distribution

A company produced a batch of 1000 light bulbs. A random sample of 100 bulbs found that 5 were defective. How many defective bulbs would you expect in the entire batch?

Give the scatterplot, which of the following is most likely to be the value of r?

A) - 0.75        B) 0.25          C) 0. 60         D) - 0. 24

• -0.75

• 0.25

• 0.60

• -0.20

If a data set has a positive skewness, which of the following is most likely true?

• Mean = Median = Mode

• Mean > Median > Mode

• Mean < Median < Mode

• Mode > Median > Mean

How many permutations can be formed using the letters of the word "APPLE"?

• 120
• 60
• 30
• 20

If you roll a fair six-sided die, what is the probability of rolling a number less than 3?

Express answer in fraction. Use slash (/) for the fraction bar.