Mathematics, 23.09.2019 20:30 ohshushan2
1. section 3.1 measures of central tendency ph in water: the acidity of alkalinity of a solution is measured using ph. a ph less than 7 is acidic; a ph greater than 7 is alkaline. the following data represent the ph in samples of bottled water and tap water. tap 7.64 7.45 7.47 7.50 7.68 7.69 7.45 7.10 7.56 7.47 7.52 7.47 bottled 5.15 5.09 5.26 5.20 5.02 5.23 5.28 5.26 5.13 5.26 5.21 5.24 a) determine the mean, median and mode ph for each type of water. b) comment on the differences between the two water types. c) suppose the ph of 7.10 in tap water was incorrectly recorded as 1.70. how does this affect the mean
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Mathematics, 21.06.2019 16:50
The vertices of a triangle are a(7,5), b(4,2), c(9,2). what is m
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Mathematics, 22.06.2019 00:50
Identify the statement below as either descriptive or inferential statistics. upper a certain website sold an average of 117 books per day last week. is the statement an example of descriptive or inferential statistics? a. it is an example of descriptive statistics because it uses a sample to make a claim about a population. b. it is an example of inferential statistics because it uses a sample to make a claim about a population. c. it is an example of inferential statistics because it summarizes the information in a sample. d. it is an example of descriptive statistics because it summarizes the information in a sample.
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Mathematics, 22.06.2019 07:00
You have been asked to build a scale model of a restaurant out of bottle caps. the restaurant is 20 feet tall. your scale is 2.4 cm : 1 foot. a: a bottle cap is one point two cm tall> about how many bottle caps tall will your model be? b: you are out of bottle caps, and decide to use popsicle sticks instead. you measure them, and they are 15.2 cm tall. how many popsicle sticks tall will your model be?
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Mathematics, 22.06.2019 07:00
A. plot the data for the functions ƒ(x) and g(x) on a grid. b. identify each function as linear, quadratic, or exponential, and use complete sentences to explain your choices. c. describe what happens to the function values in each function as x increases from left to right. d. at what value(s) of x are the function values equal? if you cannot give exact values for x, give estimates.
Answers: 2
1. section 3.1 measures of central tendency ph in water: the acidity of alkalinity of a solution is...
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