Fall24 Final Exam Review

Front

If the mean is much GREATER than the median, what does this indicate about the distribution?

Back

The distribution skews to the right.

Front

What is another term for a percentage?

Back

Relative Frequency.

Front

What type of sample is taken when employees are randomly selected based on their identification number?

Back

Simple Random Sample.

Front

What type of distribution occurs when ONE value is much more common than others?

Back

Unimodal.

Front

According to the '68-95-99.7' rule, what percentage of values are within (+/-) ONE standard deviation of the mean?

Back

68%.

Front

What does a right-skewed distribution indicate about the mean and median?

Back

The mean is greater than the median.

Front

Define 'Relative Frequency'.

Back

The ratio of the number of times a value occurs to the total number of values.

Front

What is a 'Simple Random Sample'?

Back

A sample where every member of the population has an equal chance of being selected.

Front

What is a 'Unimodal Distribution'?

Back

A distribution with one clear peak or mode.

Front

Explain the '68-95-99.7' rule in statistics.

Back

It states that approximately 68% of data falls within one standard deviation, 95% within two, and 99.7% within three standard deviations from the mean.