ere is a frequency distribution table (FDT) for a small data set:data valuefrequency38233912401941174214Find the following measures of central tendency.mean (7) =128x (Please show your answer to one decimal place.)median = 40V (Please enter an exact answer.)mode - 40x (Please enter an exact answer.)Question Help: O Message instructor D Post to forumSubmit Question

Answered: data value frequency 38 23 39 12 40 19…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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X Y 14 25 26 28 19 27 13 21 28 31 23 24 30 31 26 27 19 29 Mean. 22 27 Std. Dev 6.08 3.28 Correlation 0.76 What is the tcritical value using the direct difference approach?
(c)
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T he number of awards earned by students at one high school is recorded. Predictors of the number of awards earned include the type of program in which the student was enrolled (e.g., vocational, general or academic) and the score on their final exam in math. Below is a description of the variables and their levels of measurement Variables Student ID - NOMINAL Math Scores - RATIO Total # of awards - DISCRETE Program Type - NOMINAL (categorical with three levels: (1)general, (2)academic, (3)vocational) Total Students= 200 Total Awards = 194 Total math scores = 10529 Program Type sum = 405 Describe the modality (i.e., shape) of this distribution (please be sure to include the appropriate statistics to support your description)
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Find the measures of center for following. Frequency 2 1 4 5 5 11 13 19 13 Data 40 - 44 45 - 49 50 - 54 55 - 59 60 - 64 65 - 69 70 - 74 75 - 79 80 - 84 mode = median = mean = 87.83 X (round to 4 decimal places)
ALPHA = 0.05 Shift 1 2 3 Machine A 10 7 9 B 10 7 6 C 8 8 6 D 12 7 10 E 8 7 7 F 9 6 10 G 9 9 11 H 9 6 9 Often frequency data are tabulated according to two categories to decide if there is a relationship between categories and counts. Machine shop high tech errors are tabulated by shift and machine with significance level a. Are the machines and shifts operating consistently? Perform appropriate test.
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The president of a school club would like to purchase T-shirts for members of the club and asks members which size they would like to order. The results are shown in the histogram below. T-Shirt Sizes 24 22 20 18 16 14 Small Medium Large Extra Large Size Which of the following is a true statement regarding the information shown in the histogram? O T-shirt size is a discrete quantitative variable. O T-shirt size is a continuous quantitative variable. O Frequency of each size is a discrete quantitative variable. O T-shirt size is a categorical variable. kouanbes
Which of the following is the most appropriate measure of location for metric variables? correlation O maxima Omean median mode variance please i will give a thumbs up!! #51
X Y 14 25 26 28 19 27 13 21 28 31 23 24 30 31 26 27 19 29 Mean. 22 27 Std. Dev 6.08 3.28 Correlation 0.76 What is the t value using the direct difference approach? (report positive t-value)
IQ tests supposedly measure our intelligence. They typically are ‘normed’ so that they have a mean of 100 and a standard deviation of 15. (Higher scores show higher intelligence.) Use the graph and use the z-score and percents from columns b and c in Table A, when relevant. If you scored 132, what is your z-score? (Interpret.) Use table A X, z(a), (b), and (c) X z (a) (b) (c) and use the graph! Write down or save your response to use in Part 2 of this quiz. Group of answer choices -2.53 z. I'm at the 98.34 percentile rank and 1.66% of people scored smarter than me. 2.13 z. I'm at the 98.34 percentile rank and 1.66% of people scored smarter than me. -2.13 z. I'm at the 1.66 percentile rank and 98.34% of people scored smarter than me. 2.53 z. I'm at the 0.57 percentile rank and 99.43% of people scored smarter than me. 2.13 z. I'm at the 1.66 percentile rank and 98.34% of people scored smarter than me. 2.53 z. I'm at the 99.43 percentile rank…

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data value frequency 38 23 39 12 40 19 41 17 42 14 Find the following measures of central tendency. mean (7) = 128 x (Please show your answer to one decimal place.) median = 40 v (Please enter an exact answer.) mode = 40 x (Please enter an exact answer.)