SCSCI-10 Exam 1 Review

Which measure of central tendency has an equal number of scores above and below it?

The median, for a sample of n=30 people, is an example of a ______.

Which of these people is furthest from average?

Would this be a body or a tail? (Z > -1.5)

Which measure of central tendency would be appropriate for a nominal variable, like Religion?

Which measure of variability can sometimes be NEGATIVE?

Gold, Silver, and Bronze medals are given in the Olympics; what scale of measurement is this?

Who will have the best grade, if relative standing is what matters for your grade?

You're asked to create grouped data with an interval of 20.  Is this right?: 0-19, 20-39, 40-59

Which is NOT a way that a probability can be expressed?

Which measure of variability is limited because it is SO affected by the presence of outliers?

Which of the following COULD POSSIBLY represent the proportion/area in a RIGHT HAND TAIL?

You're asked to create grouped data with an interval of 5.  Is this correct?: 0-5, 5-10, 10-15

A pet shop has 15 dogs, 7 cats, 12 snakes. One escapes. What's the probability it was a mammal?

What is the shape of a z-score distribution?

Some X's have mean=102.2, SD=13.4. If they're turned into Z-scores, what will mean & SD be?

The population mean would be an example of a _________.

Which symbol stands for sample variance?

Which of the following COULD POSSIBLY represent the proportion/area in a LEFT HAND TAIL?

Which measure of central tendency has deviations above and below it that sum to zero?

Would this be a body or a tail? p(Z > 0)

To find ΣX from a frequency distribution table, you sum up the ______.

A group of scores with a lot of variability will form a distribution graph that is very _____.

Which value would NOT be possible to get on a Ratio scale of measurement?

Would this be a body or a tail?: p(Z < 1.2)

What kind of statistics deals with generalizing, from statistics to parameters?

Which measure of central tendency is ALWAYS an actual number from your data set?

For data with an interval or ratio scale of measurement, which would NOT be appropriate?

To find N from a frequency distribution table, you sum up the ______.

Which one has a formula that involves dividing by n-1?

Which measure of central tendency is the MOST influenced/pulled by outliers?

Which symbol stands for sample S.D.?

Which measure of central tendency is LEAST influenced/pulled by outliers?

A negatively-skewed distribution has a ____ on the right and a _____ on the left.

Which symbol stands for population standard deviation?

You're asked to create grouped data with an interval of 2.  Is this OK?: 1-2, 3-4, 5-6, 7-8