STA301 Quiz No.1 Shared by M_Azeem, Spring 2014

Value of harmonic mean is lower than ____________ Select correct option: Arithmetic Mean Geometric Mean Both arithmetic mean & geometric mean None of the above

In case of an open-ended class: Select correct option: A median cannot be computed The arithmetic mean and median will always be exactly equal A mean cannot be computed The distribution is always positively skewed

For the given data 20, 13, 27, 0, -8 G. M will be: Select correct option: Negative Positive Zero Undefined

For the digit 40,leaf will be: Select correct option: 1 2 4 0

Grouping error is less serious in case of: Select correct option: Harmonic mean Geometric mean Mean deviation Mean

As a general rule, the _______ is the best measure of central tendency because it is more precise: Select correct option: Mean Median Mode Weighted Mean

The ______ is the value you calculate when you want the arithmetic average: Select correct option: Mode Median Mean All above

A nominal scale of measurement has ________. Select correct option: rank order an absolute true zero point classification by categories equal differences between points on a scale of measurement

In a week the prices of a bag of rice were 350,280,340,290,320,310,300. The mid range is Select correct option: 320 315 300 420

In statistics, conducting a survey means Select correct option: Collecting information from elements Making mathematical calculations Drawing graphs and pictures None of the above