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Tcecarenko [31]
3 years ago
13

Which of the five measures of center (the mean, the median, the trimmed mean, the weighted mean, and the mode) can be calculated

for quantitative data only.
SAT
2 answers:
Anna007 [38]3 years ago
6 0
Quantitative data is defined as information that gives measurement or it can be written down in numbers.

<span>Each of these five measures of center 1) the mean, 2) the median, 3)the trimmed mean, 4) the weighted mean, and 5) the mode can be measured and written down in number. Thus, they are all quantitative data. 


</span>
Reptile [31]3 years ago
4 0
In Chapter 2 we discussed how to summarize data using different methods and to display data using graphs. Graphs are one important component of statistics; however it is also important to numerically describe the main characteristics of a data set. The numerical summary measures, such as the ones that identify the center and spread of a distribution, identify many important features of a distribution. For example, the techniques learned in Chapter 2 can help us graph data on family incomes. However, if we want to know the income of a “typical” family (given by the center of the distribution), the spread of the distribution of incomes, or the relative position of a family with a particular income, the numerical summary measures can provide more detailed information (see Figure 3.1). The measures that we discuss in this chapter include measures of (1) central tendency, (2) dispersion (or spread), and (3) position.
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In the sentence given, the "personal a" is:

Not necessary

So the complete sentence is:

¿Entiendes las palabras de tu profesora?

<h3>What is the "personal a"?</h3>

This is Spanish grammar exercise. The "personal a" is an "a" that precedes a specific person or a person that is used as a direct object.

In the sentence given, the "a" is not used because the direct object is "las palabras" which means "the words" and it is not a person.

For example:

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Check more information about Spanish grammar here brainly.com/question/5495832

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True statement about the Mona Lisa is: It is a highly replicated work.

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Is this thedrewrugrats?
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To compare the average amount of time that canadians and americans spend commuting, a researcher collects a sample of canadians
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The standard error of the difference of sample means is 0.444

From the complete question, we have the following parameters

<u>Canadians</u>

  • Sample size = 50
  • Mean = 4.6
  • Standard deviation = 2.9

<u>Americans</u>

  • Sample size = 60
  • Mean = 5.2
  • Standard deviation = 1.3

The standard error of a sample is the quotient of the standard deviation and the square root of the sample size.

This is represented as:

SE = \frac{\sigma}{\sqrt n}

The standard error of the Canadian sample is:

SE_1 = \frac{2.9}{\sqrt{50}}

So, we have:

SE_1 = 0.41

The standard error of the American sample is:

SE_2 = \frac{1.3}{\sqrt{60}}

So, we have:

SE_2 = 0.17

The standard error of the difference of sample means is then calculated as:

SE= \sqrt{SE_1^2 + SE_2^2}

This gives

SE= \sqrt{0.41^2 + 0.17^2}

SE= \sqrt{0.197}

Take square roots

SE= 0.444

Hence, the standard error of the difference of sample means is 0.444

Read more about standard errors at:

brainly.com/question/6851971

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