Descriptive statistics questions with correct answers rated A+, Exams of Nursing

Download Descriptive statistics questions with correct answers rated A+ and more Exams Nursing in PDF only on Docsity! Descriptive statistics frequency distribution table - correct answer ✔✔shows the number of times each score occurs in a set of data frequency distribution table can be: - correct answer ✔✔Ungrouped Grouped Cumulative ungrouped frequency distribution - correct answer ✔✔Data presented in ascending or descending order with the frequency of each individual score Ascending - correct answer ✔✔increasing Descending - correct answer ✔✔moving downward grouped frequency distribution - correct answer ✔✔Data presented in a range of scores with the frequency of scores that fell within the rang cumulative frequency distribution - correct answer ✔✔Frequency of occurrence of scores up to and including any given value in the data set frequency distribution tables can display in a - correct answer ✔✔X-Y axis graph X-Y Axis Graphs can show - correct answer ✔✔Normal distribution or skew normal distribution (Gaussian distribution) - correct answer ✔✔Bell-shaped curve (symmetrical and unimodal) Mean, median, mode are EQUAL skewed distribution - correct answer ✔✔Distribution of scores is asymmetrical- curve is distorted or skewed What causes a skewed distribution - correct answer ✔✔Few extreme scores from small samples and non-random sampling positively skewed - correct answer ✔✔Curve shifted to left negatively skewed - correct answer ✔✔Curve shifted to right What type of skewed distribution has more scores in the lower range - correct answer ✔✔Positively What type of skewed distribution has more scores in the higher range - correct answer ✔✔Negatively Mode - correct answer ✔✔most frequently occurring Median - correct answer ✔✔middle Mean - correct answer ✔✔average Range - correct answer ✔✔the difference between the highest and lowest scores in a distribution standard deviation - correct answer ✔✔the square root of the variance Variance - correct answer ✔✔measures the average degree to which each point differs from the mean Most common and useful measure of dispersion - correct answer ✔✔Standard deviation