13. Wind Speeds The data show the maximum wind speeds for a sample of 40 states. Find the mean and modal class for the data. Class boundaries 47.5-54.5 54.5-61.5 61.5-68.5 68.5-75.5 75.5-82.5 82.5-89.5 89.5-96.5 Frequency 13

How many classes are there and what is the class width?

Score: 0/6 0/6 answered Question 1 The following data represents the age of 30 lottery winners. 23 29 29 32 37 37 38 38 39 42 43 45 45 46 47 48 57 58 58 59 64 65 67 68 71 72 73 75 79 82 Complete the frequency distribution for the data. Age Frequency 20-29 30-39 40-49 50-59 60-69 70-79 80-89 Question Help: Message instructor Submit Question

1 #+= ABC The following are the ages of 13 mathematics teachers in a school district. 33, 34, 35, 37, 39, 42, 49, 50, 52, 53, 53, 56, 59 Notice that the ages are ordered from least to greatest. Give the five-number summary and the interquartile range for the data set. Five-number summary 8 Minimum: Lower quartile: Median: Upper quartile: Maximum: Interquartile range: ↑ 2 § % X £ # 1 3 0 S ¥ $ 4 + & 5 = * 6 ( ; 7 ) 8 I ! I 9 "1 undo ? 0 Español ABC ? F D 1 Aa V < retur #-

Identify the lower class​ limits, upper-class​ limits, class​ width, class​ midpoints, and class boundaries for the given frequency distribution. Also, identify the number of individuals included in the summary.   Age​ (yr) when award was won 5-9 10-14 15-19 20-24 25-29 30-34 35-39     Frequency 28 36 15 2 4 2 2

13 Find the median for the following group of data items. 25, 22, 21, 20, 26, 23, 19, 21   The median is _______. ​(Type an integer or a​ decimal.)

3. The data shows the number of students who got scores in Algebra. Given the frequency distribution below, find the mode of the grouped data. Scores in Algebra 75-79 6. 70-74 7. 65-69 2. 60-64 8. 12 55-59 7. 50-54 10 45-49 8. 40-44

Identify the lower class​ limits, upper class​ limits, class​ width, class​ midpoints, and class boundaries for the given frequency distribution. Also identify the number of individuals included in the summary.   Age​ (yr) when award was won Frequency       5 ​-9 29       10 ​-14 34       15 ​-19 14       20 ​-24 4       25 ​-29 6       30 ​-34 2       35 ​-39 1     Identify the lower class limits.   5 ​,10​,15​,20​,25​,30​,35 ​(Type integers or decimals. Do not round. Use ascending​ order.) Identify the upper class limits.   9 ​,14​,19​,24​,29​,34​,39 ​(Type integers or decimals. Do not round. Use ascending​ order.) Identify the class width.   5 ​(Type an integer or a decimal. Do not​ round.) Identify the class midpoints.   7 ​,12​,17​,22​,27​,32​,37 ​(Type integers or decimals. Do not round. Use ascending​ order.) Identify the…

Construct a histogram and a frequency polygon

Identify the class width, class midpoints, and class boundaries for the given frequency distribution.             Brain Volume (cm3)                Frequency                   1,000 - 1,089                                       6             1,090 - 1,179                                       7             1,180 - 1,269                                       3             1,270 - 1,359                                       2             1,360 - 1,449                                       1             1,450 - 1,539                                       1             Class width _________             Class midpoints _____, _____, _____, _____, _____, _____             Class boundaries _____, _____, _____, _____, _____, _____