A car salesman conducted a survey on the number of cars that each household had. The following dot plot shows the information that the car salesman obtained from his survey. Rased on the dot plot, how many households own more than 2 cars? 51 Number of Cars Owned per Household

↑ A survey was conducted by a website on which online music channels subscribers use on a regular basis. The following information summarizes the answers. 11 listened to rap, heavy metal, and alternative rock. 18 listened to rap and heavy metal. 20 listened to heavy metal and alternative rock. 16 listened to rap and alternative rock. 25 listened to rap. 40 listened to heavy metal. 31 listened to alternative rock. 20 listened to none of these three channels. a. How many people were surveyed? b. How many people listened to either rap or alternative rock? c. How many listened to heavy metal only? a. How many people were surveyed?

Use the box-and-whisker plot to identify the five-number summary. 940 2081 1205 1477 1957 900 1200 1500 1800 2100

Find the midrange for the following group of data items. 112, 52, 82, 52, 72 ​(Round to the nearest tenth as​ needed.)

The value of a certain car when it was brand new with 0 mileage was $17,000 but the value dropped to $4,000 when the car acounulated 80,000 miles shown in the scatter plot below. Car's Mleage and Value S17.000 $2,000 Mileage Based on the data in the scatter plot, at what mileage was the car worth about $12,000? O 20,000 miles O 30,000 miles O 60,000 miles O 80,000 miles

The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget weights have a mean of 40 ounces and a standard deviation of 10 ounces. Use the Standard Deviation Rule, also known as the Empirical Rule. Suggestion: sketch the distribution in order to answer these questions. a) 99.7% of the widget weights lie between and b) What percentage of the widget weights lie between 20 and 70 ounces? c) What percentage of the widget weights lie above 30 ? Question Help: Video Message instructor %

A pediatrician wants to determine the relation that may exist between a child's height and head circumference. She randomly selects 5 children and measures their height and head circumference. The data are summarized below. Complete parts (a) through (f) below. Height (inches), x Head Circumference (inches), y 27.75 27.5 25.5 26 270 17.6 17.5 17.1 17.3 17.5 (a) Treating height as the explanatory variable, x, use technology to determine the estimates of B and B4 Po z bo = (Round to four decimal places as needed.) B, xb, = (Round to four decimal places as needed.)

Find the median?

Find the original data from the stem-and-leaf plot.  Stem leaves  76 358 77 348 78 18

Use a stem-and-leaf plot to display the data, which represent the numbers of hours 24 nurses work per week. Describe any patterns. 33 40 36 53 32 36 40 35 40 40 41 48 30 26 40 36 40 36 40 33 40 32 38 29 Determine the leaves in the stem-and-leaf plot below. Key: 313 33 Hours worked 3 4