The data table found below contains the listed prices and weights of the diamonds in 20 rings offered for sale in a newspaper in a foreign city. The prices are in local dollars with the weights in carats. Complete parts (a) through (g) below. Click the icon to view the data table. (a) Scatterplot the listed prices of the rings on the weights of the rings. Does the trend in the average price seem linear? Which scatterplot below shows the listed prices of the rings on the weights of the rings? OA. OB. Oc. O D. 1400 1400 0.5 1400 Price (dollars) 1400 Price (dollars) 0.5 0.5 Weight (carats) Weight (carats) Does there seem to be a linear trend? O A. Yes, because the scatterplot shows an approximate linear pattern. O B. No, because the scatterplot shows an obvious curved line. OC. No, because the scatterplot does not show any obvious pattern. O D. Yes, because the scatterplot does not show any obvious pattern. (b) Estimate the linear equation using least squares. Interpret the fitted intercept and slope. Be sure to include their units. Note if either estimate represents a large extrapolation and is consequently not reliable. Complete the equation for the fitted line below. Estimated Price (local dollars) =O+O Weight (carats) Weight (carats)

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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.