Exam 1: Displaying the Order in a Group of Numbers

The proportions of the axes in a graphic display should usually be

If each half of a distribution is a mirror image of the other,the distribution is __________.

A normal curve is

Making a histogram is easiest if one begins with

If a psychologist rating empathic responses to strangers' distress on a scale of 1 to 20 finds that most participants have ratings of either 8 or 16,the distribution of ratings is

The type of table created when a psychologist lists the number of employees at each level of earnings from $20,000 to $29,999 going up to $80,000 to $99,999 is a(n)__________.

If one of the bars of a histogram is higher than all the others,the distribution is __________.

The two branches of statistical methods are

The value of putting numbers into a frequency table is that

The distribution of the scores in most psychological research studies are

Another label for "rank-order" is

Nominal variables,but not rank-order or equal-interval variables,are examples of __________.

If an intelligence test includes 12 items so that a person can answer any number of items between 0 and 12 correctly,each of these numbers between 0 and 12 is called a

Consider the scores 2,6,7,1,7,8,5,and 4.Which of the following would be the correct second line of a frequency table?

If someone told you that a distribution showed a ceiling effect,you would surmise that it is

A distribution that is peaked is also referred to as __________.

The length of time a person talks in a group discussion is an example of a(n)

A drink vendor randomly asked college students which product they had consumed most often during the past month: 13 said water,5 said seltzer,12 said juice,and 20 said cola. a.Make a frequency table. b.Make a bar graph based on the frequency table.

A variable that has specific values and cannot have values between those specific values is a(n)__________.

A distribution in which the scores pile up at one end is said to be __________.