A distribution that is not a perfectly shaped normal distribution should be labeled as a/an

A distribution that is not a perfectly shaped normal distribution should be labeled as a/an

a. imperfect distribution.
b. normal distribution.
c. skewed distribution.
d. model distribution

Question 2

The very first step when examining data is to

a. determine if a relationship exists.
b. identify the shape of the distribution.
c. generate a polygon.
d. calculate the relative frequencies.

Question 3

The distinguishing characteristic of an idealized bimodal distribution is

a. all the scores are the same.
b. all the frequencies are the same.
c. two scores have the same and the highest frequency.
d. it is always symmetrical.

Question 4

In statistics, a symmetrical, bell-shaped polygon is called a/an

a. histogram.
b. bimodal distribution.
c. percentile.
d. normal curve.

Question 5

A grouped frequency distribution is used when

a. there are too many different scores to produce an efficient frequency table or graph.
b. there are too many scores to produce an efficient frequency table or graph.
c. one wants more detailed information about frequencies than one can get from a frequency table.
d. there are about 10 rows in a frequency table.

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A distribution that is not a perfectly shaped normal distribution should be labeled as a/an

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