Statistics - All Topics
Not what you're looking for?
Age range(yr)| 20-29 30-39 40-49 50-59 60-69 70-79 80+
Midpoint | 24.5 34.5 44.5 54.5 64.5 74.5 84.5
Percent of | 5.7 9.7 19.5 29.2 25.0 9.1 1.8
nurses
a) Using the age midpoints x and the percentages of of nurses, do we have a valid probability distribution? Explain.
b) Use a histogram to graph the probability distribution of part (a).
c) Find the probability that a British nurse selected at random in 1851 would be 60 years of age or older.
d) Compute the expected age u of a British nurse contemporary to Florence Nightingale.
e) Compute the standard deviation o for ages of nurses shown in the distribution.
Purchase this Solution
Solution Summary
A Complete, Neat and Step-by-step Solution is provided in the attached Excel file.
Purchase this Solution
Free BrainMass Quizzes
Know Your Statistical Concepts
Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.
Measures of Central Tendency
Tests knowledge of the three main measures of central tendency, including some simple calculation questions.
Terms and Definitions for Statistics
This quiz covers basic terms and definitions of statistics.
Measures of Central Tendency
This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.