In an essay (250-500 words), use the scenario presented above to answer the following questions: 1. What statistical test was used in "Using Teacher-Written Praise Notes to Promote a Positive Environment in a Middle School?"

first, we define the variables:

x: number of years after 1950

f (x): amount of vinyl sold.

then, with the variables defined, we have:

68594 vinyl records were sold in 1958 > f (8) = 68594

91299 vinyl records were sold in 1961 > f (11) = 91299

38720 vinyl records were sold in 1952 > f (2) = 38720

161743 vinyl records were sold in 1967 > f (17) = 161743

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step-by-step explanation:

graph them on a graphing calculator, press 2nd trace. select intersect. hit enter until it says answer. ti 84 works best

step-by-step explanation:

your answer is option c.

14 x 10 5

step-by-step explanation:

10 5 = 100,000

14x10,000 = 140,000