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 D 25-34 35-44 28 35 45-54 15 55-64 65-74 75-84 85-94 Identify the lower class limits. 000 (Type integers or decimals. Do not round. Use ascending order.) 251

Classify each of the following as nominal, ordinal, interval, or ratio data and explain. a. the time required to produce each car on an assembly line. b. the number of litres of water a family drinks in a month. c. the ranking of four student projects in your class after they have been designated as excellent, good, satisfactory, and poor. d. the telephone area code of clients in India. e. Explain the four groups of data in detail.

Select the correct answer and write the appropriate letter in the space provided _____ 1. A grouping of data into classes giving the number of observations in each class is called a(an)   a bar chart.   b. frequency distribution.   c. pie chart.    d. cumulative frequency distribution.   ______ 2. The distance between consecutive lower class limits is called the   a. class interval.   b. frequency distribution.   c. class midpoint.   d. class frequency.   ______ 3. The class midpoint is   a. equal to the number of observations.   b. found by adding the lower class limits of two consecutive classes and dividing by 2.   c. equal to the class interval.   d. all of the above.   ______ 4. The number of observations in a particular class is called the    a. class interval.   b. class frequency.   c. frequency distribution.   d. none of the above.   ______ 5. A bar chart is used most often when   a. you want to show frequencies as compared to total observations.   b. you want to show…

Determine whether the statement is true or false. If it is false, rewrite it as a true statement. The midpoint of a class is the sum of its lower and upper limits divided by two. Choose the correct answer below. OA. The statement is false. A true statement is "The midpoint of a class is the class frequency divided by the sample size." B. The statement is false. A true statement is "The midpoint of a class is the average of its lower and upper limits." OC. The statement is false. A true statement is "The midpoint of a class is the difference of its lower and upper limits divided by two." O D. The statement is true.