The price of seafood varies with species and time. Below is a scatterplot of the prices in cents per pound received in 1970 and 1980 by fishermen and vessel owners for several species. The point representing the prices for Sea Scallops is pointed to with a blue arrow. It would be considered an outlier since its price in both years was much higher than that of any other species graphed. For 1 point each, give the price of Sea Scallops in 1970 and 1980. 1. Price in 1970 = ["", "", "", ""] cents per pound Price in 1980 = 400 cents per pound 2. Would the form of the relationship between the prices be best described as linear or curved?
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.
The price of seafood varies with species and time. Below is a scatterplot of the prices in cents per pound received in 1970 and 1980 by fishermen and vessel owners for several species.
The point representing the prices for Sea Scallops is pointed to with a blue arrow. It would be considered an outlier since its price in both years was much higher than that of any other species graphed. For 1 point each, give the price of Sea Scallops in 1970 and 1980.
1. Price in 1970 = ["", "", "", ""] cents per pound
Price in 1980 = 400 cents per pound
2. Would the form of the relationship between the prices be best described as linear or curved? ["", ""]
3. Would the direction of the relationship be best described as positive, negative, both, or neither? ["", "", "", ""]
4. Would the strength of the relationship be best described as weak or strong and WHY? ["", "", "", ""]
5. Of the prices in the 1980’s for the 13 species considered, what is the 40th percentile of the 13 prices? ["", "", "", "", "", ""]
Hint: use the usual L technique to find percentiles. Then count to the correct number of dots on the scatterplot.
Hint: the sorted 1970’s prices go from left to right. The sorted 1980’s prices go from bottom to top.
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