Identify the sampling technique used.A market researcher randomly selects 400 drivers under 45 years of age and 100 drivers over 45 years of age.

Identify the data set’s level of measurement.the ratings of a movie ranging from “poor” to “good” to “excellent”

Identify the data set’s level of measurement.the data listed on the horizontal axis in the graph

Identify whether the statement describes inferential statistics or descriptive statistics.The average age of the students in a statistics class is 23 years.

Provide an appropriate response.The weights (in pounds) of 30 preschool children are listed below. Find the five-number summary.

Provide an appropriate response.Explain what bias there is in a study done entirely online. Explain your reasoning.

Provide an appropriate response.The scores of the top ten finishers in a recent golf tournament are listed below. Find the median score.67 67 68 71 72 72 72 72 73 76

Identify the data set’s level of measurement.the years the summer Olympics were held in the United States

Provide an appropriate response.Determine whether the approximate shape of the distribution in the histogram is symmetric, uniform, skewed left, skewed right, or none of these.

For a given data set, which of the following values will always be greater- the variance or the standard deviation?