Estadística
Análisis de datos, distribuciones de probabilidad y pruebas de hipótesis.
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the correlation between education and income as measured on 80 people i…
B. No, because this cannot be concluded from the correlation alone. There may be a nonlinear relationship or outliers.
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a) assuming the relation is linear, a correlation of - 0.772 shows a we…
a) D. Continent is a categorical variable. Correlation does not apply. b) The statement is wrong because a correlation of - 0.772 shows a strong negative linear relationship, not …
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an economics instructor assigns a class to investigate factors associat…
A. Assuming the relation is linear, a correlation of - 0.772 shows a strong relation in a negative direction.
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the errors in predicting hurricane tracks are given in nautical miles. …
A. The correlation will not change because it treats x and y symmetrically. The correlation of y with x is the same as the correlation of x with y.
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what does dezas mother mean when she says, \without a family youre noth…
Deza's mother's quote "without a family you're nothing but dust on the wind" in the context of the Great Depression means that family provides essential support, identity, and pur…
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a bag of m&ms has 6 red, 3 green, 5 blue, and 4 yellow m&ms. what is th…
a) 0.2222 b) 0.4444 c) 0
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consider the section of the text that begins as the people take a step …
It persuades the audience to take action towards equality immediately.
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choose the correct answer. which word part means \loosening or setting …
B. -lysis
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in a survey of 211 professional athletes, it was found that 99 of them …
1. 27 2. 38 3. 138 4. 100 5. 184 6. 85
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choose the correct answer. which word part means \curved, bent\? spondy…
B. scoli/o
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choose the correct answer. which word part means \small opening\? spond…
B. por/o
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the vertical asymptote x = 30 means the concentration will always be le…
The y - intercept means the concentration will remain 30% if no solution is added.
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in a study of streams in the adirondack mountains, the following relati…
D. The scatterplot is not linear; correlation is not appropriate.
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use the given data to find the equation of the regression line. examine…
\(\hat{y}=1.04 + 0.690x\)
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how to respond to a job performance review job performance reviews can …
To make a positive impression on your manager
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how to respond to a job performance review job performance reviews can …
Listen to your review objectively.
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how to respond to a job performance review job performance reviews can …
To listen to your performance review better, don't take comments personally, digest the information completely, and request a time to meet again if you need more time to process.
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assignment 1 replacement: problem 8 (1 point) a group of 15 numbers of …
1. D. $\frac{C(9,3)\times C(6,1)}{C(15,4)}$ 2. C. $4(\frac{9}{15})^{3}\frac{6}{15}$
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listed below are the heights (cm) of winning presidential candidates an…
$180.8$
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part (e) you are to find the probability of the five die showing two di…
The correct probability expression is the one that follows the above - derived logic. Without seeing the actual expressions with proper binomial and factorial notations in the opt…
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find the regression equation, letting the first variable be the predict…
$\hat{y}=30.3+0.319x$
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a private college advertised that last year their freshman students, on…
Last year at least one of their freshman students had a score of more than 1000 on the SAT.
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an investment company advertised that last year its clients, on average…
Last year some of their clients made a profit of less than 14%.
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today is monday, september 29th, 2025 quote of the week: reflect on thi…
The quote means that deep, repetitive practice in a single area leads to greater mastery and is more formidable than broad but unrefined practice. I agree as it aligns with the pr…
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what does constant returns to scale mean? production becomes inefficien…
Question 1: Expanding all inputs proportionately does not change average cost. Question 5: More labor eventually produces less additional output. Question 6: Long - run average co…
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a local county has an unemployment rate of 5%. a random sample of 36 em…
a) $0.0256$ b) $0.4843$ c) $0.0760$ d) $0.7750$
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4. identify the literary devices used in the follow quotes and analyze …
| Quote | Literary Device | Meaning | |--|--|--| | "the night would be my eyelids." | Metaphor | Suggests tiredness or desire for rest through comparison | | "The sea was as flat …
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a weight - loss clinic advertised that last month its patients, on aver…
Last month some of their patients lost more than 4 lb.
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a private college advertised that last year their freshman students, on…
Last year at least one of their freshman students had a score of more than 950 on the SAT.
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today is thursday, september 25th, 2025 quote of the week: reflect on t…
This quote means that both success and failure are temporary states, and the most important thing is having the courage to keep moving forward. I agree with it as in my life, when…
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analyzing the effect of propaganda on sunday mornings squealer, holding…
Readers think that the animals are naive to believe Squealer's lies.
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which of the following steps should you take to replace a word in your …
Select the word in the publication and then choose the Thesaurus button on the Review ribbon, a list of words will appear, select one of the words and click Insert.
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at a drug rehab center 35% experience depression and 25% experience wei…
a. $0.5800$ b. $0.7200$ c. $0.5143$ d. no e. no
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working alone, it would take shandra 40 minutes to sand a table. to san…
Shandra's estimate is too high because it will take them about 24 minutes.
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1. factor each expression, if possible. then, check with distribution. …
a) $(y + 7)(y - 7)$ b) $(5 + 4w^{2})(5 - 4w^{2})$ c) $2(3 + 2w^{2})(3 - 2w^{2})$ d) $ax(6 + a^{2}x^{2})(6 - a^{2}x^{2})$ e) Cannot be factored over the real - numbers 2. $(a + b+1…
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this will be the day when all of gods children will be able to sing wit…
In this passage, King alludes to a song called "My Country, 'Tis of Thee". King includes this allusion to help convey his dream of an equal society. This allusion supports King's …
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this will be the day when all of gods children will be able to sing wit…
his dream of an equal society
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this will be the day when all of gods children will be able to sing wit…
1. The patriotic song "My Country, 'Tis of Thee". 2. A sense of national pride and link to American ideals of freedom. 3. Advocating for true freedom and equality for all American…
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the following table gives the number of people on the titanic by class …
B. Ya que en la gráfica B se muestra que aproximadamente el 23 - 24% sobrevivieron y el 76 - 77% fallecieron en la tripulación, lo cual coincide con nuestros cálculos.
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charlie used these steps to solve the equation 6x + 5 = 1 + 23x+2. whic…
All values of x make the equation true.
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mika used these steps to solve the equation 5x - 12 = -2 + 5(x - 2). wh…
All values of x make the equation true.
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daily math practice monday 5 1. 5.29 + 6.73 = 2. $\begin{array}{r}6.29\…
1. $12.02$ 2. $15.97$ 3. $10$ 4. $4$ 5. Ryan is 4 years old, Brandon is 2 years old.
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select the correct answer. what does the term terraced dynamics mean? a…
A. sudden changes in volume level
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find the x - and y - intercepts of each linear function. describe what …
\(x\) - intercept: 7 (time when eagle reaches ground); \(y\) - intercept: 20 (initial height of eagle) ### 22. For "Eva's Distance from Home" First, find the equation of the line …
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brutus. what means this shouting? i do fear the people choose caesar fo…
Brutus loves Caesar, and they are good friends.
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multiple choice question which suffix means \a stimulating effect on th…
A. -tropin
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multiple choice question the suffix -pathy means disease. a disease of …
C. gonadopathy
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la siguiente tabla de frecuencias bidireccional muestra datos sobre la …
| | Practica deportes | No practica deportes | |--|--|--| | Toca un instrumento musical | 0.46 | 0.54 | | No toca ningún instrumento musical | 0.73 | 0.27 |
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la siguiente tabla de frecuencia bidireccional muestra datos sobre el t…
# Explicación: ## Paso 1: Calcular el total de la columna de vehículos utilitarios deportivos (SUV) El total de la columna de vehículos utilitarios deportivos (SUV) es $28 + 97=12…
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debbie solved the linear equation 3(x + 4) - 2 = 16 as follows: line 1 …
1) 2) 2 and 3 2) $3x^{2}$
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the two - way frequency table below shows data on type of vehicle drive…
| | Sport utility vehicle (SUV) | Sports car | |--|--|--| | Speeding ticket within the last year | 0.22 | 0.25 | | No speeding ticket within the last year | 0.78 | 0.75 | | Column…
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cassius. therefore, good brutus, be prepared to hear. and since you kno…
I will be your mirror.
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use the normal model n(100,16) describing iq scores to answer the follo…
a) 100.0% b) 0.6% c) 0%
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john adams speech concerning the xyz affair, 1797 the diplomatic interc…
B. The United States further developed its navy and prepared for national defense
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this table shows a citys population each year from 2014 to 2020. comple…
The city's population decreased by about 153 people per year from 2014 to 2020.
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when emma moved into her new house, she planted a pine tree in her back…
1.5
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this table shows the amount of fuel remaining in an airplane as it flie…
$13.5$
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34 \i guess it wouldnt hurt to try,\ he said. luis didnt know it at the…
Community organizing has the power to create change.
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select the word that means a large, impressive building. a visitor to n…
edifice
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select the word that means a first appearance. harper lee was born in 1…
debut
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select the word that means a mistaken belief. a persons iq, or \intelli…
fallacy
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select the correct answer. what does the prefix over - mean in words su…
C. too much
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the costs of inflation are shoeleather costs and menu costs. arbitrary …
D. All of the above
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dad looks utterly confused, then he reads the letter, wow! he says, sha…
His father's childhood picture is on the pile of papers directly in front of Michael.
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which quote from the story best supports the idea that michaels father …
None of the above
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which quote from the story best supports the idea that michaels father …
None of the above quotes support the idea.
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review the twentieth and twenty - first paragraphs. 20 dad jumps, then …
Michael's father was like Michael when he was young.
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5) which statement about scatter plots is not true? a) scatter plots ar…
C. For linear associations the line of best fit must go through the origin.
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a number cube is rolled three times. an outcome is represented by a str…
| Event | Checked Outcomes | Probability | |--|--|--| | Event A | EEO, OEE, EOE | $\frac{3}{8}$ | | Event B | OOE, EOO, OOO, OEO | $\frac{1}{2}$ | | Event C | EEO, EEE | $\frac{1}…
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northwest ordinance/ strengths of the aoc what does it mean to \survey\…
To measure and map out land boundaries
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(b) e: a randomly selected person finding cheese revolting. f: a differ…
C. E cannot affect F and vice versa because the people were randomly selected, so the events are independent
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handout 25a: sound of running feets aha moment directions: reflect on t…
- How did you know this was an aha moment for Sound of Running Feet? Record the words from the text that helped you identify this moment when she realizes something important: The…
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4) in a scatter - plot, two variables are shown to have a negative asso…
a) As one variable increases, the other variable decreases
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the ages of the members of four teams are summarized below. answer the …
(a) Team C (b) Team D
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question 10 (mandatory) (1 point) the multiplier effect, when discussin…
10. 1) True 11. 1) True
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the results of a school’s drama club fundraiser are displayed in the do…
4. Wrapping paper had more variability initially. The answer would change if wrapping paper sales on day 4 were $200$ because the ranges of gift - card and wrapping paper sales wo…
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a pet store has 8 cats. here are their weights (in pounds). 14, 15, 14,…
11.1 pounds
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on a survey, 5 students reported how many minutes it takes them to trav…
$11.2$
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the circle graph to the right shows each regions percent of a country. …
9.571
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a group of 6 students was asked, \how many hours did you watch televisi…
$8.8$
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read the excerpt from the enigma machine. cryptologists looked for crib…
people who study codes
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practice & problem solving 6. leveled practice what is the graph of the…
7. Let's assume the slope - intercept form is \(y = mx + b\), where \(m\) is the slope and \(b\) is the y - intercept. - Given the rent is \(12\) per hour (slope \(m = 12\)) and a…
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(b) e: a randomly selected person finding cheese revolting. f: a differ…
C. E cannot affect F and vice versa because the people were randomly selected, so the events are independent.
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7. two brands of cell phones were tested to see how many hours they wou…
C. The range of Brand B is larger than the range of Brand A, which implies that Brand B has more variability in the number of hours one charge lasts. ### 8.
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ush financial is examining the use of its midtown atm machine. here are…
38
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determine whether the events e and f are independent or dependent. just…
B. E and F are dependent because having a credit card can affect the probability of a person going into debt.
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in a recent survey, 8 college graduates were each asked for the number …
18
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chau is recording the percentages he earned on each quiz in his math cl…
19
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according to a center for disease control, the probability that a rando…
B. No, because hearing and vision problems are not mutually exclusive. So, some people have both hearing and vision problems. These people would be included twice in the probabili…
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7. explain what the following equation means in context of hot and cold…
The first expression 2(-3) - 2(4) represents a net change in heat where 6 units of heat are removed due to cold - cube groups and 8 units of heat are added due to hot - cube group…
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determine whether the statement is true or false. if it is false, rewri…
A. True
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let event a = subject is telling the truth and event b = polygraph test…
B. The probability that the polygraph indicates lying given that the subject is actually telling the truth.
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the results of a schools drama club fundraiser are displayed in the dou…
4. Wrapping paper had more variability in sales. The answer would not change if wrapping - paper sales on day 4 were \(\$200\) because the overall spread and fluctuation of wrappi…
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read the definitions. rung \\ˈrʌŋ\\ middle english; old english hrung o…
He wrung as much water out of the towel as he could before hanging it up. When she heard the news, she wrung her hands in frustration.
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for 1 - 2, complete each statement. a community musical director is int…
1. greater 2. less 3. C. The members of Rockapella are slightly older on average than members of Good Treble.
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12. generalize does deleting a data point always change the median of a…
There is now an outlier in the data set. The median is the same when the ninth player is added. The distribution becomes more skewed when the ninth player is added.
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which of the following best explains the impact of the gi bill on job c…
By offering small business loans, the GI Bill allowed returning soldiers to start new businesses that would hire more workers.
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three students scheduled interviews for summer employment at the brookw…
| Experimental Outcome | Value of $x$ | | ---- | ---- | | $(N,N,Y)$ | 1 | | $(N,N,N)$ | 0 | | $(N,Y,N)$ | 1 | | $(Y,Y,N)$ | 2 | | $(N,Y,Y)$ | 2 | | $(Y,Y,Y)$ | 3 | | $(Y,N,Y)$ | 2…
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which of the following best describes anecdotes in persuasive writing? …
B. Short, personal stories that authors use to emphasize a point
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which of the following persuasive techniques can be defined as \a creat…
A. Figurative language