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1.} Suppose a marketing company conducts research on consumer consumption of shampoo in NCR. Data are collected using a large sample of families living in
1.} Suppose a marketing company conducts research on consumer consumption of shampoo in NCR. Data are collected using a large sample of families living in "CR. The average annual consumption of shampoo, in ounces, is determined. The marketing company uses this data to make assumptions regarding the total shampoo use for all families living in NCR. Which of the following statements is NOT true? a. Shampoo consumption is ratio level data, b. Sample statistics were used to make inferences about the population. c. Parameter data were collected and assessed. d. The process of inferential statistics was used. 2.} Prof. Leanne is reviewing the results of Module 4 Quiz 1 of here two Math classes. She had the following descriptive statistic Section A Section B Mean 20 23 Median 20 20 Mode 20 21 Standard Deviation 5 7 What can Prof. Leanne conclude from these statistics? a. Section A distribution is symmetrical b. The two distributions are symmetrical. c. Section A distribution is skewed to the left. d. Section A distribution is skewed to the right. 3.} lfthe Math subject leader reported that (11, Q2, and 0.3 for student performance in the midterm exam last year were 20.8, 33.4, and 53.8, respectively. From this we can conclude that a. 99% of the students had a score of 53.8 or more b. 95% of the students had a score of 33.4 or more c. 68% of the students had a score of 20.8 or less d. 50% of the students had score of 33.4 or less 4.} A company tracked all credit card purchases during 2020 and measured two variables: (1} the type of credit card used {WSA, MasterCard, or American Express), and {2} the amount (in pesos} of each purchase. The data set collected represents a. population b.a census c. a sample d.a data set 5.} In symbols,westate the ofbinary operations as, VX6R,X+(-x):-x+x20. a. Associativity b. identity c. inverse d. commutativity 6.} Which of the following is not a unary operation? a. factorial b. trigonometric function c. none of the choices d. negation 7.} A relation or statement of equation is said to be a function if a vertical line passes through on its graph. a. all points b. one point c. no point e. two points
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