Consider the following data set. (Round your answers to four decimal places.) n = 15 measurements: 5.0, 7.1, 5.3, 6.8, 5.8,   4.1, 6.0, 7.0, 7.2, 5.3,   5.9, 6.6, 4.4, 5.0, 6.9   Use the range to approximate the value of s. (Use R = 3s.) Answer:____________________   Calculate the actual value of s. Answer:____________________   Is the actual value close to the estimate? Which one is the correct answer:   ____The actual value is very close to the estimate, since the difference is within 0.2. ____The actual value is close to the estimate, since the difference is between 0.2 and 0.5.     ____The actual value is not markedly different from the estimate, since the difference is between 0.5 and 1. ____The actual value is not close to the estimate, since the difference is more than 1

(c) Are your estimates in parts (a) and (b) upper and lower estimates? Ex- plain. (A) (b) is a lower estimate and (a) is an upper estimate since v is a decreasing function of t. (B) (a) is a lower estimate and (b) is an upper estimate since v is an increasing function of t. (C) (a) and (b) are neither lower nor upper estimates since v is neither an increasing nor decreasing function of t. (d) Let's find an overestimate and underestimate of the distance traveled by the motorcycle during this time period.

D Question 3 Classify the following variable as nominal, ordinal, interval, and ratio. GPA. O Ratio O Ordinal O Interval O Nominal

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What is the x-bar calculated to 2 decimal places

OL th.. Frequency 8 9 0 T 10 20 30 40 LEAD 50 60 70 80 Data were collected on the lead levels of children of battery factory workers. The data are displayed in the histogram above. Choose the correct answer. The maximum lead level is less than 60 The median lead level (the level that exactly half the children exceed) is less than 30 There are 33 children in the data set. None of the other answers is true