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Hogar Banco de preguntas Matemáticas Estadísticas Archive 2024 December 07

Statistics Questions from Dec 07,2024

Browse the Statistics Q&A Archive for Dec 07,2024, featuring a collection of homework questions and answers from this day. Find detailed solutions to enhance your understanding.

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Fill in the blank: What is important is not how many pieces of data are on either side of the or balance point but the distances of data from the must balance. (It is the same word for both.) standard deviation mean median none of these A simulation is a technique used to act out a situation by conducting an experiment whose outcomes are analogous to the original situation. Using this technique, students typically estimate a probability using many trials rather than determine probabilities theoretically. Random nenerators can be helpful in this process. none of these statistics simulation probability The median would be a better measure of "typical" or "central" than the mean for the following data set: \( 1,2,3,4,5,6,7,8,9,98 \). True False The prices of 14 different randomly selected 35 -mm compact cameras are as follows: \( \$ 169, \$ 225, \$ 129, \$ 175, \$ 299, \$ 140, \$ 215, \$ 239, \$ 1, \$ 99, \$ 149, \$ 219 \), \( \$ 120 \), and \( \$ 144 \). Use the interquartile range approach \( \left(Q_{1}-1.5 \times \operatorname{IQR}, \mathrm{Q}_{3}+1.5 \times \mathrm{IQR}\right) \) to find whether any of the amounts are outliers. List any outliers. Select all that apply. The prices of 14 different randomly selected \( 35-\mathrm{mm} \) compact cameras are as follows: \( \$ 169, \$ 225, \$ 129, \$ 175, \$ 299, \$ 140, \$ 215, \$ 239, \$ 1, \$ 99, \$ 149, \$ 219 \), \( \$ 120 \), and \( \$ 144 \). Use the interquartile range approach \( \left(\mathrm{Q}_{1}-1.5 \times 1 \mathrm{QR}, \mathrm{Q}_{3}+1.5 \times \mathrm{IQR}\right) \) to find whether any of the amounts are outliers. List any outliers. Select all that apply. 239 none of these 299 A standardized test given to 10,000 students had scores normally distributed. Al scored 648 . The mean was 518 and the standard deviation was 130 . About how many students scored below him? 5000 8400 3400 6480 none of these 2.38 Baggage fees: An airline charges the following baggage fees: \( \$ 25 \) for the ofirst bag and \( \$ 35 \) for the second. Suppose \( 54 \% \) of passengers have no checked luggage, \( 34 \% \) have only one piece of checked luggage and \( 12 \% \) have two pieces. We suppose a negligible portion of people check more than two bags. a) The average baggage-related revenue per passenger is: \( \$ \square \) (please round to the nearest cent) b) The standard deviation of baggage-related revenue is: \( \$ \square \) (please round to the nearest cent) c) About how much revenue should the airline expect for a flight of 120 passengers? \$ (please round to the nearest dollar) Fill in the blank: What is important is not how many pieces of data are on either side of the mean or balance point but the balance. products none of these distances The prices of 14 different randomly selected \( 35-\mathrm{mm} \) compact cameras are as follows: \( \$ 169, \$ 225, \$ 129, \$ 175, \$ 299, \$ 140, \$ 215, \$ 239, \$ 1, \$ 99, \$ 149, \$ 219 \), \( \$ 120 \), and \( \$ 144 \). Use the interquartile range approach \( \left(Q_{1}-1.5 \times\right. \) IQR, \( Q_{3}+1.5 \times \) IQR) to find whether any of the amounts are outliers. List any outliers. Select all that apply. 239 none of these 90 1 The prices of 14 different randomly selected 35 -mm compact cameras are as follows: \( \$ 169, \$ 225, \$ 129, \$ 175, \$ 299, \$ 140, \$ 215, \$ 239, \$ 1, \$ 99, \$ 149, \$ 219 \), \( \$ 120 \), and \( \$ 144 \). Find Quartile 1 (Q1). 299 1 none of these 159 219
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