The rule of thumb for creating a frequency distribution is to divide the data into 5-15 classes. While larger numbers of classes allow for larger data sets, how do you know exactly how many classes to use

Related MCQs

• You are conducting a study to see whether a new experimental medication will cause bald men to grow hair. You divide your patients into 2 groups. To one group you give the medication. To the other group, you give a placebo. In this study, the correct terms for the taking of the medication and the growth of hair are the following.
• You are constructing a histogram that is required to use 6 classes for a data set that ranges from 15 to 70. A class width of ____ units would be an appropriate choice
• The width of a class interval in a frequency distribution (or bar chart) will be approximately equal to the range of the data divided by the ______________ .
• Considering the various types of tables and charts you have studied, which table, chart, diagram or plot would you use to depict categorical data for two variables in a visual format
• The cumulative frequency for a particular class is equal to 35. The cumulative frequency for the next class will be _________________
• A graphical representation of a frequency distribution is called a__________________
• When constructing a frequency distribution, which of the following rules must be followed?
• If two variables are highly correlated, what do you know
• Which of the following would not allow you to calculate a correlation?
• We use price index numbers