3. The data in the table shows the mileage that students commute to school. B. Find the weighted mean. Miles Midpoint Frequency 10 - 14 12 8 15 - 19 17 C. Draw a histogram for the data. 20 - 24 22 9 25 - 29 27 21 30 - 34 32 7 A. How many students are in the class?

A pediatrician wants to determine the relation that may exist between a child's height and head circumference. She randomly selects 8 children from her practice, measures their height and head circumference, and obtains the data shown in the table. Complete parts (a) through (e) below. Height (in.) Head Circumference (in.) O 27.25 17.5 25.25 16.9 Click here to see the Table of Critical Values for Correlation Coefficient. 26.5 17.3 25 17 28 17.6 26.25 17.2 Data Table 26.25 17.1 27.25 17.3 Critical Values for Correlation Coefficient n 3 0.997 4 0.950 0.878 0.811 7 0.754 8 0.707 0.666 10 0.632 11 0.602 12 0.576 13 0.553 14 0.532 15 0.514 16 0.497 17 0.482 18 0.468 19 0.456 20 0.444 21 0.433 22 0.423 23 0.413 24 0.404 25 0.396 26 0.388 27 0.381 28 0.374 29 0.367 30 0.361 ..... (1,1) More n

The data show the distance (in miles) from an airport of a sample of 22 inbound and outbound airplanes. Use technology to answer parts (a) and (b). a. Find the data set's first, second, and third quartiles. b. Draw a box-and-whisker plot that represents the data set. 5.2 4.1 2.6 5.8 4.9 5.4 4.1 2.5 5.2 5.5 2.3 2.2 2.6 1.9 3.1 4.5 5.2 5.9 4.9 4.6 2.4 3.4 a. Find the three quartiles. Q₁ = Q₂ = Q3 (Type integers or decimals. Do not round.) ||

The tuition and fees (in thousands of dollars) for the top 14 universities in a recent year are listed below. Find the mean, median, and mode of the data, if possible. If any of these measures cannot be found or a measure does not represent the center of the data, explain why. 46 44 44 44 46 47 41 46 ㅁ 44 35 41 44 46 39