Estadística
Análisis de datos, distribuciones de probabilidad y pruebas de hipótesis.
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now that steve rogers has retired as captain america, sam wilson has ta…
D. protagonist
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if a story ends with a cliffhanger (an ending meant to leave the audien…
E. resolution
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try again your answer is incorrect. (a): your answer is incorrect. (b):…
(a) both had the same IQR (b) City A (c) City A (d) City A
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in the conclusion of an argumentative essay, the author should include …
# Breve explicación: En la conclusión de un ensayo argumentativo, el autor debe resumir y reforzar su postura. Reestablecer las ideas principales y resumir cómo apoyan la tesis es…
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decide whether the following statement makes sense (or is clearly true)…
A. The statement does not make sense. The eight guidelines for evaluating a statistical study need to be reviewed before one study can be called more valid than another. B. The st…
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look at the data tables below. which would most likely produce a nonlin…
Table 3
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on a certain saturday, the sales records of 78 employees were examined.…
D. Not enough information is provided to draw any of these conclusions
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the dot - plots below show the number of pages mandee read per day for …
C. 3
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analyze the scatter - plot graph. age vs. weight. which trend does the …
As age increases, weight increases.
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which individual color(s) result in a probability of being selected? re…
green
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letitia tells her son, evan, that he may have one piece of candy with h…
Pink: $\frac{2}{5}$, Purple: $\frac{1}{10}$, Green: $\frac{3}{10}$, Yellow: $\frac{1}{5}$
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what was a significant consequence of using zeppelins and airplanes in …
They introduced the concept of strategic combat engagements.
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pints consumed per person ice cream consumption vs. temperature tempera…
There is a positive correlation between temperature and ice - cream consumption per person.
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what types of evidence do the authors use in this excerpt? select two o…
A. data showing the widespread use of social media in countries involved in the uprisings C. statistics that describe Egyptians' use of the internet and social media during the up…
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which passage provides more effective evidence, and why? o the first pa…
The first passage provides more effective evidence because it has data and statistics from research reports, while the second passage uses titles of articles and authors' names as…
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number of visitors visitors at public pool month use the drop - down me…
fewer
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irony: 6. in your own words, define each type of irony. situational iro…
Situational irony - When the result is contrary to expectations. Verbal irony - Saying the opposite of one's meaning. Dramatic irony - Audience knows more than characters.
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a football team has attempted 6 running plays. the change in field posi…
-1 yard per play
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diana and kinsey are put in charge of choosing a mascot for their baske…
The data are inadequate.
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two athletes are training for a cycling race. each athlete recorded the…
(a) Athlete B (b) Athlete A (c) Athlete B (d) Athlete B
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the weights of dimes are approximately normally distributed with a stan…
1. C) 2.276 2. E) $1.282(0.02)+12.05$
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the red blood cell counts (in 10^5 cells per microliter) of a healthy a…
$2.35$
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the tourist bureau of the caribbean islands surveyed a sample of 6 unit…
$3.10$
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2. what information can be seen most easily in the histogram? 3. what i…
2. The frequency distribution of data within intervals can be seen most easily in the histogram. 3. The five - number summary (minimum, first quartile, median, third quartile, max…
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the following are the ages of 12 physics teachers in a school district.…
Minimum: 29 Lower quartile: 32.5 Median: 44 Upper quartile: 52 Maximum: 57 Interquartile range: 19.5
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syntax quick check what is syntax? (1 point) a piece of writing that is…
The set of grammatical rules that determine how words and phrases are arranged in a sentence.
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lesson 2: data representations cool down: reasoning about representatio…
The exact frequency of each individual battery - life value.
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question 1 1 pts a standardized variable has mean and standard deviatio…
0 1
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greg has scored 23, 28, 29, and 23 points in his four basketball games …
27
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3. a sandwich shop is known for their fast delivery. if a delivery take…
$0.1056$ #### b.
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christine has scored 99, 66, 86, and 66 on her previous four tests. wha…
73
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2 the data set represents the shoe sizes of 19 students in a fifth - gr…
A box - plot with minimum = 4, Q1 = 6, Q2 = 7, Q3 = 8, maximum = 9.
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in a volatile housing market, the overall value of a home can be modele…
Part A: The vertex is \((\frac{220}{21},\frac{2141000}{21})\approx(10.48,101952.38)\) Part B: Approximately \(10.48\) years after 2020 (around 2030 - 2031), the value of the home …
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here are the numbers of children in 15 elementary school classes. 20, 1…
18,19,20
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the following list gives the number of public libraries in each of 11 c…
No mode
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in a recent survey, 8 college graduates were each asked for the number …
17
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ush financial is examining the use of its midtown atm machine. here are…
47
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statistics median of a data set the following list contains the number …
10
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each of 5 students reported the number of movies they saw in the past y…
14
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complete parts (a) through (c) below. a. obtain the mean and median of …
b. C. The median works better here since it is more typical of most of the data. c. A. The mean is not resistant to outliers. Since the 19 in the data set was replaced by 109, the…
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on a survey, 7 students reported how many minutes it takes them to trav…
$10.9$
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consider the data set 11,12,13,14,15,16,17,18,19. complete parts (a) th…
The mean is 25. The median is 15. The median is a better measure of center.
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jack. it pains me very much to have to speak frankly to you, lady brack…
being untruthful
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managers of a sports arenas parking garage keep track of the duration o…
(a) 152 (b) 182 (c) 3
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each year, forbes magazine compiles a list of the 400 richest americans…
14.2
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as part of a survey, 15 adults were asked, \how many hours did you spen…
(a) 49 (b) 57 (c) 1
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drawing conclusions about a character lady bracknell. with a shiver, cr…
She believes strongly in the importance of rules.
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here are the shopping times (in minutes) for each of sixteen shoppers a…
| Shopping times (in minutes) | Frequency | | ---- | ---- | | 16 to 19 | 1 | | 20 to 23 | 4 | | 24 to 27 | 3 | | 28 to 31 | 3 | | 32 to 35 | 5 | For part (b), to construct the his…
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tricia and martin are having consensual sex. what does this most likely…
They are both willing participants in the act.
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read the poem. in the ice cream shop of my dreams, i stood, where sugar…
It creates a tone of playful delight.
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jasmine has been a victim of domestic violence. what does this most lik…
Her boyfriend has tried to hurt her.
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fifteen cyclists were each asked the number of miles they biked last we…
| Number of miles | Frequency | | ---- | ---- | | 1 to 5 | 4 | | 6 to 10 | 4 | | 11 to 15 | 4 | | 16 to 20 | 3 | For part (b), to construct the histogram: - Draw a bar for the int…
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in 1928, scottish scientist alexander fleming was surprised when he aft…
a small container for holding liquid
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four family members are living in a home together, and one of them is a…
A. the oldest brother, Mark, who is 22 years old
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answer these questions to write an algebraic expression for the car was…
B. Twice means "multiply by 2." D. More than means "add."
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here are the hottest recorded temperatures (in °f) for each of eighteen…
| Temperatures (in °F) | Frequency | |----|----| | 95 to 100 | 4 | | 101 to 106 | 3 | | 107 to 112 | 4 | | 113 to 118 | 6 | For the histogram, you would draw bars with heights cor…
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5. in meads play stage, children begin to: (1 point) a) imitate the act…
5. a) Imitate the actions of those around them without understanding meaning 6. d) Consider the roles and expectations of several others simultaneously
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a1 lesson 2.2 homework 1. a point has a positive x -coordinate and a ne…
Fourth quadrant ### 2.
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hitler made each insignificant, poverty - stricken, jobless youth of th…
"They would capture the government... then reconquer Germany's lost land."
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5. as used in paragraph 1, the word \acclaimed\ most nearly means: a. a…
B. renowned
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each year, forbes magazine compiles a list of the 400 richest americans…
$41.0$
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how did people during the zhou dynasty perceive natural disasters such …
They believed it indicated the rulers were not following the Mandate of Heaven.
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ms. clark gave her students a biology test last week. here are the test…
| Test scores | Frequency | |--|--| | 72 to 75 | 3 | | 76 to 79 | 4 | | 80 to 83 | 4 | | 84 to 87 | 3 | | 88 to 91 | 2 | For part (b), to construct the histogram: - For the interv…
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question 15 which sentence best demonstrates the meaning of \timeless\?…
The classic novel's themes remain relevant today
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each year, forbes magazine compiles a list of the 400 richest americans…
(Insufficient data to provide a numerical answer. If the data values in the table were provided, we could calculate the sample standard deviation following the above steps and rou…
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each year, forbes magazine compiles a list of the 400 richest americans…
$41.0$
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in states with automatic voter registration, voters are automatically r…
The second paragraph explains in greater detail the process that is referred to in the third.
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a study recorded the time it took for a sample of seven different speci…
3.10
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what is the correlation coefficient of the linear fit of data shown bel…
D. 0.95
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laurie is experiencing the \fight - or - flight\ response. what does th…
She is stressed out about a presentation.
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a study recorded the time it took for a sample of seven different speci…
Range = 8 days, Sample standard deviation \(\approx3.1\) days
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why is the standard deviation preferable to the range as a measure of v…
C. The standard deviation is preferable to the range as a measure of variation because the standard deviation takes into account all of the observations, whereas the range conside…
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select the phrase in this excerpt that provides a context clue about th…
unused space
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explain the purpose of a measure of variation. choose the correct answe…
D. The purpose of a measure of variation is to show the amount of variation or spread in a data set, and to capture the degree to which observations differ among themselves.
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in 2000, for a certain region, 45.9% of incoming college freshman chara…
a. C. The mode is liberal. b. C. Since the data is qualitative, neither the mean nor the median can be used as a measure of center.
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in 2000, for a certain region, 45.9% of incoming college freshman chara…
a. C. The mode is liberal. b. It would not be appropriate to use either the mean or the median as a measure of center. The data is categorical (political views), and the mean requ…
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from wikipedia, the ages of seven of the nine justices of the u.s. supr…
$64.6$
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from wikipedia, the ages of seven of the nine justices of the u.s. supr…
452
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work hours for college faculty the average full - time faculty member i…
$0.15\%$
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stats lesson 2.5 homework name emmalynne here. 1. for a standardized no…
$0.2119$ #### b.
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from wikipedia, the ages of seven of the nine justices of the u.s. supr…
7
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julio has two bags of gummy candies. one at a time, he randomly pulled …
First, find the total number of candies in the first bag: \(8 + 5+7=20\). The probability of selecting a strawberry - flavored candy from the first bag is \(\frac{7}{20}\). Next, …
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i think other people may say i can dress and that im funny and chill. t…
Single - stories are one - sided narratives. They are dangerous because they create stereotypes. Adichie uses anecdotes to convey this danger. Wainaina's essay shows the danger by…
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in the organization of work (1839), french socialist, politician, and h…
By saying the opposite of what he means, Blanc highlights the evils of the current system.
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an article reported on a long - term study of the effects of hurricanes…
$101.5$
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no development without change, and that to be afraid of what is differe…
Roosevelt suggests that following the crowd is a tendency in many facets of society, including art.
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8. the weights of male vizslas (a dog breed) aged two years and older a…
8. B. Mean: 27 kg Standard Deviation: 4.75 kg 9. B. Since the mean and standard deviation are nearly the same and the minimum number of home runs hit per player is zero, the distr…
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consider these sample data: $x_1 = 10,x_2 = 8,x_3 = 3,x_4 = 15$. a. fin…
a. $n = 4$ b. $\sum_{i}x_i=36$ c. $\bar{x}=9$
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no development without change, and that to be afraid of what is differe…
Roosevelt argues that speaking honestly about frivolous popular art is important to establishing standards of quality in modern art.
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7. which value is the best estimate for the standard deviation of the n…
B. 2
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2a determine the best measure of center and measure of variability to u…
2a: mean and standard deviation 2b: median and interquartile range Which set has the greatest measure of center? 2b (bottom) Which set has the greatest measure of variability? 2a …
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consider these sample data: x_1 = 10, x_2 = 8, x_3 = 3, x_4 = 15. a. fi…
a. $n = 4$ b. $\sum x_i=36$ c. $\bar{x}=9$
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read the excerpt from act i of the importance of being earnest. algerno…
It causes the reader to think about how doing nothing should be easy, but in fact can be quite hard.
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a board of governors publishes information on family net worth. in 2010…
A. The median because it is not strongly affected by the relatively few families with extremely high net worth.
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in a freshman high school class of 80 students, 22 students take consum…
Let \(A\) be the event that a student takes Consumer - Education and \(B\) be the event that a student takes French. We know \(n = 80\), \(n(A)=20\), \(n(B) = 22\), \(n(A\cap B)=4…
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consider the data set 10,11,12,13,14,15,16,17,18. complete parts (a) th…
a. Mean: 14, Median: 14 b. Mean: 24, Median: 14 A. The median works better here since it is more typical of most of the data.
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in a poll, students were asked to choose which of six colors was their …
1275
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statistics constructing a frequency distribution for grouped data here …
| Temperature (in °F) | Frequency | | ---- | ---- | | 103 to 107 | 4 | | 108 to 112 | 2 | | 113 to 117 | 2 |
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here are the shopping times (in minutes) of nine shoppers at a local gr…
| Shopping time (in minutes) | Frequency | | ---- | ---- | | 15 to 20 | 4 | | 21 to 26 | 1 | | 27 to 32 | 3 |
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explain in detail the purpose of a measure of center. choose the correc…
A. The purpose of a measure of center is to indicate where the center or most typical value of a data set lies.