SOLVED

141) A British literature instructor examines the number of class periods his students have missed by mid-terms and has the following data: 1, 0, 10, 0, 2, 1, 0, 0, 5, 2, 3, 0, 0, 0, 1, 1, 2, 3, 1. What is the mode for this data set? a. 2.5 b. 0 c. 10 d. 1 142) Which measure of central tendency is used when you are asked what is the most number of cigarettes you smoke in a day? a. Range b. Mean c. Mode d. Median 143) Measures of ________________ reflect how loosely or tightly bunched scores are in a distribution, whereas measures of _________________ reflect where the group of scores tends to cluster. a. mode; mean b. central tendency; median c. variability; central tendency d. central tendency; mean 144) Which measure of central tendency is used when asking about national income levels, wherein 50% of the population makes more than this amount and 50% of the population makes less? a. Range b. Mean c. Mode d. Median 145) When a distribution is skewed, which of the following descriptive statistics would offer the best measure of central tendency? a. mean b. median c. standard deviation d. range 146) The _____________ reflects the middle score in a data set, whereas the ____________ reflects the most frequent score. a. mean; mode b. mode; median c. mean; median d. median; mode 147) In which situation would presenting the mean as one’s measure of central tendency be least accurate? a. When the distribution is normally distributed b. When the distribution is positively skewed c. When the distribution is negatively skewed d. Whenever either B or C is true 148) Suppose in a classroom of students you hear a few watches chime at the top of the hour, then more watches chime, then few again. Not one match chimed with any other, but likely the most chimes occurred at the true top of the hour. What could you say about the distribution of watch chimes in the classroom? a. The distribution is normally distributed. b. The distribution is positively skewed. c. The distribution is negatively skewed. d. The distribution is inversely skewed. 149) Suppose in your kitchen you watch the popcorn kernels pop in the popper. A few kernels pop early, a few kernels pop late, but most pop in between. What could you say about the distribution of kernel popping? a. The distribution is normally distributed. b. The distribution is positively skewed. c. The distribution is negatively skewed. d. The distribution is inversely skewed. 150) Suppose in a classroom of students some arrive early to class, but most students arrive just moments before class begins, and no one comes in after class has started. What could you say about the distribution of student arrival to class? a. The distribution is normally distributed. b. The distribution is positively skewed. c. The distribution is negatively skewed. d. The distribution is inversely skewed.