In an experiment, the zoologists recorded the number of aggressive strikes of tw

Question

In an experiment, the zoologists recorded the number of aggressive strikes of two black bream (a type of fish) feeding at the bottom of an aquarium in the 10-minute period following the addition of food. The number of strikes and age of the fish (in days) were recorded approximately each week for nine weeks, as shown in the accompanying table Complete parts a and b. a. Construct a scattergram of the data, with number of strikes on the y-axis and age of the fish on the x-axis. Choose the correct plot below. b. Examine the scattergram of part a. Do you detect a trend? A. Yes, there is a positive trend. B. No, there is no trend. C. Yes, there is a negative trend.

Explanation / Answer

Here number of strikes are between 0 to 100 and these are on Y-axis.

So range of Y-axis is 0 to 100

Age of fish are on X-axis and age of fish are between 100 to 200

So Range of X-axis is 100 to 200

1) So here correct answer is option C)

2) so in this graph we can see that there is trend.

It is negative trend

Ans: C) yes. There is a negative trend

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