The accompanying scatterplot shows the median weekly eamings (by quarter) for men and women in a country for the years from 2005 through 2017. The correlation is 0.986. Complete parts (a) through (d) below. W Click the icon to view the scatterplot of median weekly earnings. . Predicted Women = - 50.66 +0.874 Men a. Use the scatterplot to estimate the median weekly income for women in a quarter in which the median pay for men is about $900. 800- The predicted median pay for women is about S (Round to the nearest dollar as needed.) 750- b. Use the regression equation shown above the graph to get a more precise estimate of the median pay for women in a quarter in which the median pay for men is $900. The predicted median pay for women is S (Round to the nearest cent as needed.) 700- c What is the slope of the regression equation? Interpret the slope of the regression equation. Select the correct choice below and fill in the answer box(es) to complete your choice. 650- O A. The slope is Each additional dollar in men's pay causes an increase of S in the women's pay. (Type integers or decimals. Do not round.) O B. The slope is Each additional dollar in men's pay is associated with an increase of S. on average, in the women's pay (Type integers or decimals. Do not round.) 600- OC. The slope is There is no association between men's pay and women's pay (Type an integer or a decimal. Do not round.) 550 700 750 800 850 900 950 Men's Median Pay (dollars per week) d. What is the y-intercept of the regression equation? Interpret the y-intercept of the regression equation or explain why it would be inappropriate to do so. Select the corect choice below and fill in the answer box(es) to complete your choice. Print Done O A. The y-intercept is (Type integers or decimals. Do not round.) When the median women's weekly pay is $0, the predicted median pay for men is S. O B. The y-intercept is When the median men's weekly pay is $0, the predicted median pay for women is S (Type integers or decimals. Do not round.) OC. The y-intercept is It is not appropriate to interpret the y-intercept since it does not make sense to have a median men's weekly pay of $0. (Type an integer or a decimal. Do not round.)
Unitary Method
The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.
Speed, Time, and Distance
Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 miles away.
Profit and Loss
The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.
Units and Measurements
Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experiments to set up the devices.
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