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Home Question Bank Math Statistics Archive 2024 December 09

Statistics Questions from Dec 09,2024

Browse the Statistics Q&A Archive for Dec 09,2024, featuring a collection of homework questions and answers from this day. Find detailed solutions to enhance your understanding.

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Calculate the mean (Average) by using the a. 4,6 c. e. g. The responses were: 21,18,22,18,20,17,17,17,21,20,20,21,17,17,18 Represent the responses with a dot plot and answer the questions below. \& Transtate to Spanish 4. Calculate the mean (Average) by using to a. 4,6 c. e. g. i. c. c. 4. Calculate the mean (Average) by using t) a. 4,6 c. e. g. i. ( 5 pts) Given that the slope for the regression line is 0.105 , and the intercept for the regression line is 2.37 , predict the pounds of candy collected when the neighborhood density is 32 units per acre. Is the semi-interquartile range necessarily half the interquartile range? Answer yes or no and explain your answer. The definitions of semi-interquartile range and interquartile range are given below. Semi - interquartile range Interquartile range Choose the correct answer below. A. No, the semi-interquartile range is not always half the interquartile range because in a symmetric set, , and . B. No, the semi-interquartile range is not always half the interquartile range. A counterexample is the set . C. Yes, the semi-interquartile range is always half the interquartile range. The semi-interquartile range is defined as the interquartile range, divided by 2 . D. Yes, the semi-interquartile range is always half the interquartile range because the median is the average of and . Explain whether the Midrange measures central tendency, dispersion, or position, and why. Midrange Choose the correct answer below. A. The midrange measures position, because it describes the relative location of a particular item within the data set. B. The midrange measures dispersion, because it indicates how much the data set is spread out from a center point. C. The midrange measures central tendency, because it is a central value representative of an entire set of numbers. Find the standard deviation for the group of data items. The standard deviation is (Round to two decimal places as needed.) La curva normal se caracteriza por: I. Ser simétfica respecto a la media. II. Encierra un área entre y III. Su área total es la unidad. IV. Todas las anteriores son ciertas. III IV II El monto mensual para gastos de comida que reciben los alumnos de primer semestre en la Universidad Anderson tiene una distribución normal de media y desviación estándar de . Calcula el porcentaje de alumnos de prim semestre que reciben menos de al mes.
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