Provide an appropriate response.The range and standard deviation of the data set below are 35 and 12.47 respectively.5, 24, 25, 26, 40If the 26 is replaced with 39, how will this affect the range? How will this affect the standard deviation. Use your answers to explain why the standard deviation is preferable to the range as a measure of variation.
What will be an ideal response?
Answers will vary. Possible answer: The range will be unaffected, while the standard deviation will increase. The standard deviation is preferable as it takes all observations into account while the range depends only on the smallest and largest observations and disregards other observations.
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Write the set in set-builder notation.{7}
A. {x | x is a natural number} B. {x | x is the natural number 7} C. {x} D. {x is a constant}
Provide an appropriate response.
Find x indicated in the given figure.
A. 56.5° B. 47.0° C. 43.0° D. 80.4°
Find an equation of the tangent line to the graph of the function at the point 
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A. 
B. ?
C. ?
D. 
Solve the problem using the information given in the table and the last- in, first-out inventory method. Round dollar amounts to the nearest cent.Determine the unit costs for units in the ending inventory. 57 units are in the ending inventory from the units that were purchased first. Beginning inventory: 90 units at $33.82 March 8: 70 units at $28.11 June 10: 65 units at $37.51 August 12: 40 units at $21.08
A. First purchases: 57 units @ $28.11 per unit B. First purchases: 57 units @ $33.82 per unit C. First purchases: 57 units @ $21.08 per unit D. First purchases: 40 units @ $33.82 per unit