1) What does median represent? a) Middle value b) Average c) Range d) Most common 2) What is mode? a) Most frequent b) Middle value c) Range d) Average 3) What is the range? a) Average b) Difference between max and min c) Median value d) Most common 4) What does variance measure? a) Center point b) Average c) Range d) Spread of data 5) What is standard deviation? a) Range b) Median difference c) Square root of variance d) Average deviation 6) What is a frequency distribution? a) Data counts b) Data spread c) Data average d) Data range 7) What does a histogram show? a) Data distribution b) Data range c) Data frequency d) Data average 8) What is a population? a) Subset b) Sample group c) Data set d) All members 9) What is a sample? a) Population b) Entire group c) Part of population d) Data set 10) What is a parameter? a) Statistic b) Population measure c) Sample measure d) Data point 11) What is a statistic? a) Data point b) Population measure c) Sample measure d) Parameter 12) What does skewness indicate? a) Data asymmetry b) Data center c) Data spread d) Data symmetry 13) What is a percentile? a) Data average b) Data position c) Data spread d) Data range 14) What is a quartile? a) Divide data into four b) Range of data c) Median of data d) Divide data into two 15) What does a box plot show? a) Data frequency b) Data average c) Data range d) Data distribution 16) What is the purpose of a hypothesis test? a) Calculate mean b) Test assumptions c) Determine mode d) Find median 17) What is the null hypothesis? a) Sample size b) Effect exists c) Data is random d) No effect 18) What is the alternative hypothesis? a) Data is random b) Sample size c) No effect d) Effect exists

JHS Statistics Terminologies Quiz

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