Section 1.1 Learning Check||Please enter your Full Name:|Your Email Address:|Your ID Number or Password:|A particularly common question in the study of wildlife behavior involves observing contests between "resident" of a particular area and "intruders". Observer records several variables. Which of these variables is categorical? # The duration of the contest. %% The number of animals involved in the contest. %% Whether the "residents" win or lose. %% The total number of contests won by the "residents". %%|Below is the histogram of the exam scores of Stat. 1601: Introduction to Statistics students for Fall 2000. The sahape of the histogram is best described by which one of the following?
# symmetric %% skewed right %% skewed left %% uniform %%|Consider the below histogram of exam scores.
Which of the following statements is true? # There are no outliers in the data. %% Surprisingly, no two students got the same score on the exam. %% Approximately 100 exam scores were collected. %% There was one outlier in the data. %%|Consider the below stem plot.
The mean of the data represented in this stem plot is approximately # 24 %% 35 %% 45 %% 50 %%|Referring to the stem plot given in question 4, to which of the following data sets does the plot correspond? # 16, 22, 24, 28, 29, 30, 31, 31, 32, 33, 34, 35, 36, 37, 38, 40, 45, 48, 50, 51, 58, 61. %% All the integers between 16 and 61. %% 0, 0, 1, 1, 1, 1, 2, 2, 3, 4, 4, 5, 5, 6, 6, 7, 8, 8, 8, 8, 9. %% 1, 2, 3, 4, 5, 6. %%|A technique for improving a stem plot with very few stems but many leaves is # using seperate plots, one for each stem. %% splitting stems. %% merging stems. %% merging leaves. %%|Referring to the stem plot below, which of the following numbers can not be the part of the original data set?
# 25 %% 3.2 %% 2.31 %% 2.9 %%|Which one of the following best describes the stem plot in Question 7? # Strongly skewed to the right. %% Strongly skewed to the left %% Roughly symmetric. %% Bimodal %%