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Business Statistics 102: Evaluations and Scientific Notation

12 Questions

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Business Statistics 102: Evaluations and Scientific Notation

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Questions and Answers

What is the value of the expression (2 × 8 + 16) ÷ (8 + 16)?

1.1

1.3

1.6 (correct)

What is the scientific notation of the number 0.000785?

0.785 × 10^(-3)

7.85 × 10^(-3)

7.85 × 10^(-4) (correct)

7.85 × 10^(-5)

What additional information would be required to draw conclusions from the breath-test data?

The time of day the tests were conducted

The number of drivers tested on each day

The age of the drivers

The demographics of the drivers (correct)

What is the interquartile range of a symmetrical dataset with a lower quartile of 6?

20 Signup and view all the answers

What is the correct ranking of the following values from smallest to largest?

decile 6, 20th percentile, lower quartile, median, upper quartile, 0.38 fractile, 70th percentile Signup and view all the answers

What is the pattern of the prices of a 1 kg packet of laundry in KwaDukuza over time?

No pattern can be determined from the given data Signup and view all the answers

What was the price of laundry detergent in 2016?

17.8 Signup and view all the answers

What is the probability that both balls are of the same color if two balls are drawn at random?

1/5 Signup and view all the answers

Who gets the salary rise based on unweighted mean score?

Caroline Signup and view all the answers

What is the weighting for the 'Ability to meet deadlines' category?

20% Signup and view all the answers

What is the percentage of days that it rains at the Durban beachfront?