Fear of the dentist (or the dentists chair) is an emotion felt by many people of all
Question:
Fear of the dentist (or the dentists chair) is an emotion felt by many people of all ages. A survey of 100 individuals in five age groups was conducted about this fear, and these were the results:
a. Find the marginal totals.
b. Express the frequencies as percentages of the grand total.
c. Express the frequencies as percentages of each age groups marginal totals.
d. Express the frequencies as percentages of those who fear and those who do not fear.
e. Draw a bar graph based on age groups.
Transcribed Image Text:
Elementary Jr. High Sr. High College Adult 37 63 28 72 ear 25 75 27 73 Do Not Fear 79
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