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The following data set represents the age of a random sample of cars on the road today.13371012The variance of this sample is ________.

A random sample of computer users were asked which browser they primarily relied on for surfing the Internet and whether this browser was installed on a desktop or laptop computer. The following contingency table shows these results.BrowserDesktopLaptopInternet Explorer1856Firefox737Chrome2477Safari318Other37The probability that a randomly selected person from this sample used the Chrome browser and used a laptop computer is ________.

The following data represents the ages of a household that consists of five people.39371277The median of this data set is ________.

A property of ________ data is that the differences between categories are not meaningful and, therefore, cannot be measured.

There are 30 Major League Baseball teams in the National League. Five of these teams will make the playoffs at the end of the season. The number of unique groups of teams that can make the playoffs is ________.

The following data set represents the age of a random sample of cars on the road today.13371012The standard deviation of this sample is ________.

A random sample of computer users were asked which browser they primarily relied on for surfing the Internet and whether this browser was installed on a desktop or laptop computer. The following contingency table shows these results.BrowserDesktopLaptopInternet Explorer1856Firefox737Chrome2477Safari318Other37The probability that a randomly selected person from this sample used the Safari browser or used a laptop computer is ________.

The probability of a Type II error is denoted as _______.

There are 23 golfers participating in a weekend tournament. Prizes are awarded to the first, second, third, and fourth place finishers. The number of different ways these four places can be filled by those playing over the weekend is ________.

A survey of adults who typically work full-time from home recorded their current education levels. The results are shown in the table below.Education LevelFrequencyBachelor’s degree or higher37Some college13High school diploma only7Less than high school diploma3The probability that a randomly selected adult who works from home has less than a high school diploma is ________.