Elementary Statistics Homework, Quizzes, and Exams Solved 100%

Determine whether the given value is a statistic or a parameter. A sample of professors is selected and it is found that 35% own a vehicle. - ANSWER-Statistic because the value is a numerical measurement describing a characteristic of a sample Determine whether the data described below are qualitative or quantitative and explain why. The styles of shoes of clients entering a certain store (sneaker, boot, sandal, etc.) - ANSWER-The data are qualitative because they don't measure or count anything. Determine whether the given value is a statistic or a parameter. A survey found that 30 % of all respondents go to school. - ANSWER-The value is a statistic because it is a numerical measurement describing some characteristic of a sample. Determine whether the given value is a statistic or a parameter. A sample of students is selected and it is found that 50 % own a computer. - ANSWER-Statistic because the value is a numerical measurement describing a characteristic of a sample. A particular country has 45 total states. If the areas of 20 states are added and the sum is divided by 20, the result is 186 comma 979 square kilometers. Determine whether this result is a statistic or a parameter. - ANSWER-The result is a statistic because it describes some characteristic of a sample. Determine whether the given value is from a discrete or continuous data set. When a car is randomly selected, it is found to have an engine with 4 cylinders. - ANSWER-It is from a discrete data set because the number of possible values is finite or countable. Determine whether the value given below is from a discrete or continuous data set. When a car is randomly selected and weighed, it is found to weigh 1851.5 kg. - ANSWER-A continuous data set because there are infinitely many possible values and those values cannot be counted.