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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Trace metals in drinking water affect the flavor and an unusually high concentration can pose a health hazard. Ten pairs of data were taken measuring zinc concentration in bottom water and surface water. The raw data provided in table below. Does the data suggest that the true average concentration in the bottom water exceeds that of surface water? Use ?=0.01.
answer all and asap i will upvote
Find the measures of center for following. Data Frequency 40 44 2 45 49 50 54 4 55 59 4 60 64 4 65 - 69 70 - 74 12 13 75 79 16 80 - 84 10 mode = median mean = (round to 4 decimal places)
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I need working for this to double check.
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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…
I need help with this parts a,b, and c please

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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.)