Question

Need help with what key term goes too for questions 42-49

MTH 243 HOMEWORK 1.1 Definitions of Statistics, Probability, and Key Terms For each of the following eight exercises, identily a the population, b the sample, c. the e the t the data Give examples where appropriate 42 A fitness center is interested in the mean amount of time a client exercises in the center each week 43. Ski plan their ski classes optimally resorts are interested in the mean age that children take their first ski and snowboard lessons. They need this information to paramethr 44 A cardiologist is interested in the mean recovery period of her patients who have had heart attacks latis tiCS 45 Insurance companies are interested in the mean health costs each year of their clients, so that they can determine the costs of health insurance 46. A politician is interested in the proportion of voters in his district who think he is doing a good job. 47 A marriage counselor is interested in the proportion of clients she counsels who stay married 48 Political pollsters may be interested in the proportion of people who will vote for a particular cause 49 A marketing company is interested in the proportion of people who will buy a particular product Use the following information to answer the next three exercises A Lake Tahoe Community College instructor s interested in the me number of days Lake Tahoe Community College math students are absent from class during a quarte 50 What is the population she is interested in?

Answer 1

A population data set contains all members of a specified group (the entire list of possible data values)

sample data set contains a part, or a subset, of a population. The size of a sample is always less than the size of the population from which it is taken.

A statistics describe a sample.

A parameter describes an entire population.

A variable is any characteristics, number, or quantity that can be measured or counted.

42)
a)
population - Client who comes to exercise in the center
b)
sample - we can select some clients and take their time of exercise

c)
parameter - amount of time a client exercise in the center each week

d)
statistic - sample mean of time taken by client
e)
variable - time of exercise
f)
data - time taken for each sample

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