recording and analyzing data

Select the wrong statement(s). I. Two major branches of statistics are statistics and probability. II. A group of all subjects under study is called a population. III. Statistics is the science of conducting studies to collect, organize, summarize, analyze and draw conclusions from d..

Paula recorded the number of hours her classmates spend watching TV in a week. Which measure of central tendency is the most appropriate for describing the data? => mean or mode or outlier or median..

Amy recorded the number of different flowers used in a bouquet. Which measure of central tendency is most appropriate to describe the data ? => mode or mean or outlier or median..

Annie surveyed 100 students in a cafeteria about their favorite school lunch and she recorded the data on a circle chart as shown. What percent of students bought grilled cheese for lunch? => 75 or 54 or 15 or 55..

>Dotplots, back-to-back stemplots, parallel boxplots Comparing center and spread: within group, between group variation Comparing clusters and gaps Comparing outliners and other unusual features Comparing shapes Exploring bivariate data: Analyzing patterns in scatterplots Correl..

A medical researcher wishes to test the effects of two diets and the time of day on the sodium level in a person's blood. Twenty people are randomly selected, and five are randomly assigned to each of the four groups. Find F A × B and analyze the data shown in the tables h..

In a study of reaction time (in seconds) to a medicine given to 5 cancer patients, an Oncologist recorded the data 10, 20, 30, 25, 15. Find the standard deviation. => 7.1 or 50 or 20 or 15.81..

The owner of a super market recorded the number of customers visiting his store per hour in a day. The results were 15, 10, 12, 9, 18, 5, 8, 9, 15, 10 and 11. Construct a box plot for the data. => Figure 1 or Figure 3 or Figure 2 or Figure 4..

The height of 5 students are recorded as 4'3", 4'8", 5'1", 5'3" and 4'6". Which of the statements are correct? I. 4'8" is a data value. II. Variable in this case is height. III. Data set is 5. => I and II only or I and III only or II and III only or all the statements ..

During the 1980's, some major earth quakes were recorded around the world. The intensities were recorded as 7.3, 7.2, 7.7, 7.1, 7.8, 8.1, 7.3, 6.5, 7.3, 6.8 and 6.9 on the Richter scale. Find the ratio of the lower quartile to the upper quartile of the data. => 68 : 77..