46.The independent variable is "years." i.e. denoted by 'X'.
47.The dependent variable is" gola medal times".i.e. denoted by 'Y'.
The data below gives the gold medal times for every other Summer Olympics for the women's...
The data below gives the gold medal times for every other Summer Olympics for the women's 100- meter freestyle (swimming). Can you predict the gold medal times by the year? Year Time (seconds) 1968 60.0 1976 55.65 1984 55.92 1992 54.64 2000 53.8 2008 53.1 Question 46 (2.63 points) What is the independent variable? O gold medal times years Question 47 (2.63 points) What is the dependent variable? gold medal times years Question 48 (2.63 points) What is the y-intercept?...
3) The table gives the gold medal times for every other Summer Olympics for the women's 100-meter freestyle swimming. Year 1912 1924 1932 Time (seconds) 82.2 72.4 66.8 1952 1960 1968 1976 66.8 61.2 60.0 55.65 55.92 54.64 53.8 (a) Use the Rossman Chance applet to find the least squares line. Put the equation in the form of: y = a + bx. (b) Find the estimated gold medal time for 1932. Find the estimated time for 1984. (c) Why...
5) The table below gives the gold medal times for every other Summer Olympics for the women's 100 meter freestyle (swimming) Year Time (seconds) 82.2 1912 1924 72.4 1932 66.8 1952 1960 66.8 61.2 1968 60.0 1976 55.65 1984 55.92 1992 54.64 53.8 2000 2008 53.1 (a) Describe which variable should be the independent variable and which should be the dependent variable. Solution: (b) Draw a scatter plot of the data using the Rossman Chance applet. Include a screenshot. Solution:...