Estadística
Análisis de datos, distribuciones de probabilidad y pruebas de hipótesis.
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question 8 ch 20* you are testing $h_{0}:\\mu = 100$ against $h_{a}:\\m…
falls between \(0.01\) and \(0.05\) # Question 9
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question 6 1 pts ch 20 robustness means that the confidence level or p …
Question 6: False Question 7: no, because there was no randomization in choosing the sample
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the athletic department director at dayton high reported on the number …
$-0.3$
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ch 20* twenty - five adult citizens of the u.s. were asked to estimate …
- First question: You notice that there is a clear outlier in the data. - Second question: the t test for matched pairs
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question 4 1 pts ch 20 a tire manufacturer claims that one particular t…
Reject \(H_0\) and conclude that the tires were not performing as claimed. # Question 5
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ch 20 the time (in number of days) until maturity of a certain variety …
15
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ch 20 working with a small sample size, when we replace σ with s in the…
For the first question: a t distribution. For the second question: the data can be regarded as an SRS from the population.
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ch 20 nine randomly sampled students were asked how many hours of tv th…
\(3.5\pm(2.3\times\frac{4}{3})\) (the first option)
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ch 20* you are testing $h_{0}:\\mu = 100$ against $h_{a}:\\mu > 100$ ba…
For the first question: The degrees of freedom for the t - statistic is \(15\). For the second question: The statement “We need to know sigma when computing it” is not a true stat…
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ch 20 the estimate s introduces additional variation into the t statist…
B. more
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ch 20 the estimate s introduces additional variation into the t statist…
\( 45/\sqrt{500} \)
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ch 20* you are testing $h_0: mu = 100$ against $h_a: mu < 100$ based on…
-2
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ch 20* you have an srs of six observations from a normally distributed …
1.476
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ch 20 a tire manufacturer claims that one particular type of tire will …
Reject \(H_0\) and conclude that the tires were not performing as claimed.
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ch 21 a dairy scientist compared milk production of cows fed two diets.…
For the first question: No. For the second question: the one - sample \(t\) interval.
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again and again the romans were defeated, till it almost seemed as if t…
Leadership is required for victory.
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what does depiction mean?* a drawing that exaggerate somebodys physical…
B. A portrayal of something
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what does meticulously mean?* a portrayal of something extremely carefu…
B. Extremely careful and precise
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what does propaganda mean? * characteristics of human population and po…
Deceptive or distorted information that a systematically spread
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\during the 2007 - 2010 financial crisis, the united states furnished b…
A. predicated on
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\during the 2007 - 2010 financial crisis, the united states furnished b…
A. predicated on
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to help her compare the cost of her two options, the teacher first writ…
a. \(n\) represents the number of items (or a relevant quantity for cost - comparison). b. The equation means that the cost of the two options is equal. c. The solution tells us t…
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in a biblical parable, the prodigal son irresponsibly spends the inheri…
a person who behaves recklessly but later makes a repentant return
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the autobiography of giovanni giacomo casanova, an eighteenth - century…
C. a womanizer
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what do statistics on income mobility in the united states show? a. ove…
B. Over time, there is significant income mobility.
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read the source of the allusion. pyrrhus was an ancient greek king who …
a success that comes at a huge cost
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in 1815, french emperor napoleon suffered a devastating defeat in the b…
a final defeat
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in greek mythology, prometheus was a titan who stole fire from the gods…
boldly innovative
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read the source of the allusion. in the bible, adam and eves son cain m…
to resort to violence
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read the source of the allusion. according to legend, when damocles wis…
a reminder that one is vulnerable
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read the source of the allusion. the arabian nights presents the ancien…
a person who uses his or her arts to distract someone and avoid consequences
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what is the meaning of the allusion in the sentence below? the artists …
fanciful
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read the source of the allusion. in the bible, job remains faithful and…
someone who patiently endures adversity
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read the source of the allusion. in a play by christopher marlowe based…
a compromise of one's values for personal gain
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read the source of the allusion. draco, a government official in sevent…
harsh
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ch 20* because the t procedures are robust, the most important conditio…
the data can be regarded as an SRS from the population.
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read the source of the allusion. according to some accounts, the roman …
ignoring a critical situation
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use the lorenz curve diagram to answer the questions. a. did the distri…
\(0.90\)
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read the source of the allusion. in the bible, solomon, a king of israe…
a person who gives good advice
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use the lorenz curve diagram to answer the questions. a. did the distri…
less
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read the source of the allusion. in his novel lost horizon, james hilto…
an ideal place
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none of the above. the distribution of income is the same along all thr…
C. increased
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refer to the graph. which of these curves shows a more unequal distribu…
C. C
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read the source of the allusion. mrs. malaprop, a character in richard …
an amusingly incorrect use of a word
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read the source of the allusion. in voltaires 1759 novel candide, pangl…
unreasonably positive
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when examining poverty rates and income inequality across countries aro…
C. many other high - income countries have a more equally distributed income relative to the U.S.
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for each eppertion, describe the relationship between the variables coe…
1. Strong positive relationship. 2. Strong positive relationship. 3. Strong negative relationship. 4. Moderate - strong positive relationship. 5. Weak positive relationship. 6. We…
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read the stanza from \monets waterlilies\ by robert hayden. o light beh…
It illustrates a sense of misfortune.
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an article in the new york times noted that a proposal by 2016 democrat…
C. more equally distributed after taxes than it is before taxes.
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ch 20 a veterinarian collects data on the number of times race horses a…
Drop the outlier and recalculate sample mean and standard deviation then proceed with a t - interval.
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part 3 of 5 (c) when ( alpha = 0.02 ) and ( n = 25 ), ( chi _ { \text {…
\(\chi_{left}^{2}=2.558\), \(\chi_{right}^{2}=23.209\)
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which of the following statements about the distribution of income in t…
B. Individuals who are less productive or who help to produce goods and services that can be sold for only a low price will earn lower incomes.
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textual evidence quick check what does explicit mean? (1 point) informa…
information that is stated directly
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ch 20 the time (in number of days) until maturity of a certain variety …
\(H_0:\mu = 61,H_a:\mu>61\)
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many local water companies encourage their customers to use devices tha…
Option B
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teen abstinence consists of not engaging in sexual intercourse or sex p…
- All teens are capable of abstinence. - A teen can choose abstinence again after having sex. - Abstinence is a healthy way of dealing with sexuality. - Abstinence includes not to…
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given is a scatterplot of the number of problems people have as it rela…
This point decreases the slope and increases the \(y\) - intercept of the least - squares regression line. So the answer is Option C.
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select the correct interpretation. $hat{y}$ represents what any student…
Option B
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suppose ms. carr is interested in the relationship between her students…
\(94.9\)
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(b) when $\\alpha = 0.05$ and $n = 13$, $\\chi_{left}^{2} =$ $\\chi_{ri…
\(\chi_{left}^{2}=4.404\), \(\chi_{right}^{2}=23.337\)
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the gdp deflator in year 2 is 105, using year 1 as the base year. this …
D. 5% higher in year 2 than in year 1.
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ch 20 nine randomly sampled students were asked how many hours of tv th…
\( 3.5\pm(2.3\times\frac{4}{3}) \) (the first option)
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researchers carried out a survey of fourth - fifth - and sixth - grade …
Explanatory variable: Grade. Response variables: Popular, Athletic, Grades.
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which best describes the thesis statement of an argumentative essay? a …
a sentence establishing the position on the topic
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select the correct answer read the excerpt from paragraph 17 and the di…
C. definition 3
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10 assuming that heights of professional male tennis players follows a …
C. II, I, III
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the scatter plot shows positive correlation because as the plotted valu…
increase
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given two independent random variables, x with mean 14.6 and standard d…
C. The variance of \(X - Y\) is \(0.52\)
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the scatter plot shows correlation because as the plotted values of x i…
positive
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click on the graph to plot a point. click a point to delete it.
Plot the points \((0,6)\), \((5,4)\), \((8,3)\), \((1,5)\), \((4,2)\), \((3,3)\), \((6,3)\), \((9,3)\) on the given graph.
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eisenhowers farewell address - 1961 by president dwight d. eisenhower (…
A. necessity
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franklin roosevelts radio address-second half of new deal by franklin d…
C. deception
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simplify one side first 11. ( 3 ( x + 2 ) = 2 x + 14 ) 12. ( 5 ( y - 4 …
\(x = 4.5\)
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remarks on the signing of the civil rights act by lyndon b. johnson on …
1. I am about to sign into law the Civil Rights Act of 1964 2. Today in far corners of distant continents the ideals of those American patriots still shape the struggles of men wh…
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determine if the observation is qualitative or quantitative: dig sour l…
Dig - Qualitative, Sour - Qualitative, Less - Qualitative, Pink - Qualitative, More - Qualitative, 3 cm - Quantitative, Two grams - Quantitative, 24 hours - Quantitative, Light - …
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remarks on the signing of the civil rights act by lyndon b. johnson on …
B. The Civil Rights Act is beneficial to the freedom and equality of all Americans.
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criminal law defense attorneys attorneys who defend people accused of a…
The government provides a lawyer at no cost to ensure fairness in the legal system. Everyone, regardless of wealth, should have a chance to defend themselves. It upholds the princ…
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applicants to a university were surveyed about their planned living arr…
D. \(0.559\)
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a survey was given to randomly selected employees who drive to work. ea…
D. The probability of an employee not receiving a speeding ticket given that they regularly leave for work late is less than the probability of an employee not receiving a speedin…
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select the correct answer. for a one - week period, three bus routes we…
C. The bus is from route A and is on time.
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20 type the correct answer in each box. use numerals instead of words. …
36
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if a farmer is chosen at random, what is the probability that the farme…
C. \(\frac{1}{2}\)
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the following table shows the births per thousand individuals for human…
68.46
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select the correct answer from the drop - down menu. the table shows th…
The statement "A customer is more likely to have 1 pet and no children than they are to have 2 pets and children" is False.
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why was there great concern about admitting missouri as a slave state? …
B. There would be more slave states than free states.
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a shot - putter throws a shot and its height is noted every 20 feet, th…
The quadratic function of best - fit (example, actual may vary by tool) is \(y=-0.003x^{2}+0.64x + 10.6\) and the initial height is \(10.60\) feet.
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answer the question based on the data in the table. 15 select the corre…
A. \(\frac{48}{165}\)
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a shot - putter throws a shot and its height is noted every 20 feet, th…
The quadratic function of best fit is \(y=-0.003x^{2}+0.73x + 17.43\) and the maximum height is approximately \(77.17\) feet.
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select the correct answer. the chaperones for a field trip to the museu…
C. \(11.1\%\)
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which word part means \stopping or controlling\? -stasis -penia isch/o
-stasis
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type the correct answer in the box. use numerals instead of words. a ja…
36
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the venn diagram shows event a and event b comprised of outcomes from t…
\(0.6\) (Option A)
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select the correct answer. the top shelf of a bookcase holds 6 fiction …
B. one of the fiction books on the top shelf, and then one of the nonfiction books on the top shelf
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select the correct answer. at michaels school, 38% of the students have…
C. \(51\%\)
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answer the following question based on the data in the table. select th…
C. 0.60
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select the correct answer. you are wearing a pair of cargo pants with s…
C. \(\frac{1}{4}\)
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select the correct answer. a number is selected at random from the set …
B. The number is a positive number that is even or less than 11.
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select the correct answer. the probability of event a is x, and the pro…
B. \(P(A|B)=x\)
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2. the average weekly earnings in dollars for various industries are li…
a) \(43.75\) b) \(81.25\) c) \(550\) d) \(710\)
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read the excerpt from \the most dangerous game.\ \i wanted the ideal an…
he is opposed to the idea of hunting humans.