Question

1.1 Extra Problems (Modified from llowsky p. 52 #42, 43, 48, 48) For 1 -4, identify: a) the population, b) the sample, c) the parametér, d) the statistic, e) the variable 1. A week. The clients are found to spend an average of 5.7 hours in the center each week. fitness center is interested in the mean amount of time that clients exercise in the center each 2. Ski resorts are interested in the mean age that children take their first ski and/or snowboard lessons. They need this information to plan their ski classes optimally, so they select a sample of 300 children and ask each of them the age at which they took their first ski and/or snowboard lesson.

Answer 1

1.

a) The population is the clients of the fitness center.

b) The sample is the clients of the fitness center.

c) The parameter is the mean amount of time that clients exercises in the center each week.

d) The statistic is the mean amount of time that clients in the sample exercises in the center each week.

e) The variable is amount of time.

2.

a) The population is the total group of children.

b) The sample is the selected 300 children.

c) The parameter is the mean of the age of the children.

d) The statistic is the mean of the age of the selected children.

e) The variable is the age of the children.