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Ascuba diver was 80 feet below sea level and swam up at a rate of 4 feet per minute. the two solutions show how long it took the scuba diver to reach an elevation of 20 feet below sea level. lydia and max used the methods shown below to find the time it took the diver to reach the new elevation.

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.

Find the solution of each of the following.