Which of the following is a ratio variable? O Gender O Shoe size O Number of older adults in a family O Temperature in CelsiusSalary frequency 30,000 3 40000 4 What is the mean salary ($) based on the sample data shown below? 45000 2Stem Leaf 34 34889 38 02577789 43 67899 44 00 What is the mode of the sample shown in the stem-and-leaf plot below? 45 4556699 Length | 38 | 9 represents 38.9 mgWhich of the following statements does NOT provide information about a measure of central tendency? O A. The mean age of first-time home buys is 33 years. O B. The median net worth under the age of 35 years is $11,100. O C. The national mean price of gasoline has fallen 3.5 cents per gallon in the last week. O D. Most babies take their first steps sometime between 9 and 12 months.What is the median for the sample shown in the heart rate graph above? Heart rate 90 85 80 72 70 58 55 Beats per min 1 2 3 4 5 6 7 8 9 HoursWhat kind of correlation will you observe for the data? ID# X (mv) Y (Newton) 0.1 10 2 0.3 30 0.5 50 4 0.2 20 5 0.4 40Which of the following measures is influenced by extreme values? O A. Variance O B. Mean O C. All of the above O D. Correlation coefficient rFor which of the following variables you can multiple and divide values? O A. Ordinal O B. Nominal O C. Interval O D. RatioIdentify the type of graph/chart from the list below. Heart rate 90 85 80 70 74 68 55 Beats per min 1 2 3 4 5 6 7 8 9 HoursIdentify from the list below a graph/chart that has quantitative data (e.g. age) on the horizontal axis and frequencies on the vertical axis. O A. Histogram O B. Box plot O C. Pie chart O D. Stem-and-leaf plot