SPIT1 - Tut 1 PDF

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Tut 1...

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STATS 1000 / STATS 1004 / STATS 1504 Statistical Practice 1 Tutorial week 1 2021 1. Review proportions For each of the following calculate the proportion. (a) 27 students out of 200 do not understand proportions. (b) 65 of 150 Americans support the ??1 party. (c) 2 out of 10 Staffies do not like bones. 2. Review of percentages For each of the following, calculate the percentage. (a) A student answered 16 out of 20 questions correctly. (b) 27 out of 50 apples are red. (c) 85 out of 120 school kids finished eating their lunch. 3. Review equation of line For each of the following calculate (a) y = 1 + 2x, x = 10 (b) y = 3x, x = 2 (c) y = a + bx, a = 2, b = 3, x = 1 (d) y = a + bx, a = 0.3, b = 0.5, x = 4.5 4. Review decimal places Write the following as three decimal places (round to three decimal places) (a) 1.234547 (b) 2.34347 (c) 0.1 (d) 0.12899 1

please feel free to insert your party of choice.

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(e) 0.34896 (f) -0.5387 (g) -0.8342 (h) -0.4665 5. Review powers Calculate the following (a) 22 (b) 35 (c) 410 6. Review substitution If Y = calculate Y when (a) X = 10, a = 5, b = 2, c = 9 (b) X = 5, a = 1.1, b = 3.2, c = 10

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