Descriptive statistics Quiz

Which type of data is characterized by having a natural order and consistent intervals between values?

• Nominal data

• Ordinal data

• Interval data

• Ratio data

• Discrete data

Which of the following is an example of categorical data?

• Temperature in degrees Celsius.

• Height of a person in centimeters.

• Age of participants

• Number of hours spent studying

• Types of fruits

What is an example of nominal data?

• Age of participants in a race.

• Ranking of students based on test scores.

• Colors of flowers in a garden

• Temperature readings throughout the day

• Length of a river in kilometers.

What type of distribution is characterized by a bell-shaped curve?

• Exponential distribution.

• Uniform distribution.

• Poisson distribution.

• Normal distribution.

• Log-normal distribution.

Which of the following statements about the normal distribution is true?

• It is always negatively skewed.

• It is characterized by a J-shaped curve.

• It is used only for discrete data.

• It is described by mean, median, and mode being equal.

• It is applicable only to small sample sizes.

Which measure of central tendency is influenced by extreme outliers in a dataset?

• Median

• Mode

• Range

• Mean

• Variance

What does the range represent in descriptive statistics?

• Middle value of a dataset

• Sum of all data values.

• Difference between the largest and smallest values

• Average of all data points

• Number of data points in the dataset