Estadística
Análisis de datos, distribuciones de probabilidad y pruebas de hipótesis.
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the data shows the times, in minutes, it took 9 different employees to …
C. the time for each employee to complete the task
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compare the etymologies and current english meanings of tête - à - tête…
The meanings of tête - à - tête in French and vis - à - vis in Latin were similar, but the English meaning of tête - à - tête has not changed much from the French, while vis - à -…
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participants in a survey were asked whether they own a bicycle and whet…
b. The table shows evidence that the majority of public transportation users do not own a bicycle.
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which situation uses the law of large numbers? if you flip a coin 1000 …
If you flip a coin 5000 times, heads will come up about 2500 times.
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a restaurant offers customers a lunch special consisting of a salad and…
\(0.05\)
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the bar graph shows the number of representatives from the north, south…
\(\frac{1}{6}\)
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use the paragraphs to answer the question. the etymology of tête - à - …
Both words have etymological roots in face - to - face concepts. "Tête - à - tête" now means a private conversation (originally head - related in French 1700s context), while "vis…
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six tiles lettered c, o, o, k, i, and e are lying facedown on a table. …
\(\frac{1}{3}\)
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garry is a tennis player who has won 42% of his tennis matches. what is…
58%
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you be the teacher your friend solves the equation. is your fr -2(7 - y…
no. The friend made a sign error when distributing \(-2\) to \(-y\) in the step \(-2(7 - y)+4=-14-2y + 4\). The correct distribution is \(-2(7 - y)+4=-14 + 2y+4\), and the correct…
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use the sentences to answer the question. the restaurant server set dow…
Bon appétit is a way of telling someone to enjoy their meal.
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what is the probability that the book chosen is a biography? books in h…
\(\frac{2}{15}\)
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dillon and maura receive emails from clients. the table shows the numbe…
C. On a typical day, Maura receives more emails from clients than Dillon because the mean of Maura's data is greater than the mean of Dillon's data.
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frans collection of twelve albums includes one rock album. fran will ch…
a) \(220\) b) \(165\) c) \(55\)
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seafaring people are odd in that way—i dont mean in their ignorance of …
The ship’s Captain has traveled widely.
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kurt believes that the probability that he will win the golf tournament…
\(40\%\)
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the table shows musical genres and numbers of songs downloaded onto a c…
B. about 1 out of every 3 songs
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melanie is running for mayor of her town and believes that the probabil…
\(\frac{5}{13}\)
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what is the probability that the book is a romance book? books in heros…
\(\frac{1}{15}\)
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which answer choice accurately defines the meaning of the word inferenc…
a conclusion formed from evidence and reasoning
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why should readers support their analysis of a literary text with stron…
to show they have paid careful attention to the text and understand its meaning
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literary text evidence quick check what does the word explicit mean? (1…
clearly expressed
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question 6 (1 point) based on the coefficient of determination (r²) val…
\(R^{2}=0.6\)
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the manager of a company records the numbers of sales of a product base…
a.
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what is 6c2? 15 8 12 30
15
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question 3 (1 point) listen sasha bought a car for $32,875. seven years…
Question 3: Decreases \(\$1540\) per year; Worth \(\$28,255\) after three years Question 4: The number of students at the school increased by 20 each year Question 5: \(\$520\), \…
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the regression equation ( y = 3.648cdot1.182^{x} ) approximates the cos…
\(\$7.12\)
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the correlation coefficient r between the size of a lake in square mile…
55.2%
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a manufacturer produces screws. as a quality check, a random sample of …
A. 57
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the regression equation ( y = - 0.414x + 106.55 ) approximates the perc…
32%
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the regression equation y = 1.3x + 6.8 approximates the number of minut…
For every extra mile an employee drives, the driving time increases by 1.3 minutes.
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question 4 of 20 the articles of confederation created a government tha…
B. the government did not have the ability to pay its debts.
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a study of several cities shows a positive correlation between the perc…
The correlation is due to a third variable: weather.
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participants in a survey were asked whether they own a bicycle and whet…
B. The table shows evidence that the majority of public transportation users do not own a bicycle.
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a sample is selected from a population with a mean of \\( \\mu = 100 \\…
The expected value of \(M\) is \(100\) and the standard error of \(M\) is \(5\)
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rounded to three decimal places, what is the value of r for this data s…
\(0.998\)
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question 4 in one study, it was found that the correlation coefficient …
There is a weak negative association between the variables.
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for the data shown in the scatter plot, which is the best estimate of r…
- 0.65
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which best describes the association between variables x and y? weak ne…
weak positive
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look at the scatter plot. which type of pattern is displayed in this sc…
B. a linear negative association with clustering
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the scatter plot shows the number of hats and scarves each knitter sold…
1
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26. a house divided against itself cannot stand. i do not expect the un…
26. C. slavery 27. C. prevent African Americans from voting 28. C. deciding the legalization of slavery in a new state 29. B. sectional differences 30. D. disliked the Reconstruct…
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use your line plot to answer the question below. amount of paint used b…
\(4\)
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at a local pizza parlor, patrons have 2 choices of cheese and 8 choices…
16
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in how many ways can carlos draw a blue or a green marble from a jar co…
36
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question 10 of 10 when adapting a message to a new ____ context, you sh…
B. cultural
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question 1 of 10 which statement best describes the importance of choos…
B. It ensures the message is clearly relayed and understood.
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match each underlined word to its contextual meaning in the sentence th…
- wrapped: Swathed - occupied: engaged - allowed: suffered - discovered: ascertained
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read the excerpt from enriques journey. moreover, the mara salvatrucha …
It indicates that the gangsters are looking for vulnerable people. It supports the idea that the gangsters are involved in criminal activities.
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16. what is an allegory? a. a funny story with animals as characters b.…
16. B. A story that has a hidden meaning about real life or history 17. B. It compares the Salem witch trials to McCarthyism and false accusations
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read the passage from animal farm. meanwhile life was hard. the winter …
- It demonstrates repetition because Squealer reminds the animals that they are free at the farm because of the work they are doing. - It demonstrates hyperbole because Squealer e…
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select the correct answer. in this excerpt from the poem \old ironsides…
B. pace
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read the passage from animal farm. about this time there occurred a str…
Some cannot recognize that they are being oppressed and lied to, even when faced with it firsthand.
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36. if your money earns 9% interest, how long will it take to double us…
36. B. 8 years 37. D. Savings for unexpected expenses 38. A. 3 - 6 months of income 39. C. Starting to invest 40. B. Record, Reduce, Repeat 41. A. Earn more or reduce spending 42.…
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drag each tile to the correct box. match each underlined word to its co…
favorable $ ightarrow$ propitious conciliatory $ ightarrow$ propitiatory dangerous $ ightarrow$ treacherous bleak $ ightarrow$ dreary
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29. a person who keeps overspending on streaming services and snacks sh…
- 30. D. Income equals or exceeds expenses - 31. C. Save before paying other expenses - 32. A. Providing money to meet goals and emergencies - 33. A. Making saving a regular, auto…
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protecting earth read the selection and choose the best answer to each …
C. rose suddenly to an unusual or excessive degree
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if two variables are correlated, a change in one must directly produce …
False
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remember, each event is equally likely to occur (probability is 1/16 or…
- Sum of “ways” column: \(16\) - Sum of \(P(x)\) column: \(1\) - Mean (\(\mu\)): \(2\) - Variance (\(\sigma^2\)): \(1\) - Standard deviation (\(\sigma\)): \(1\)
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read the paragraph. carefully maneuvering his skateboard through the ne…
Gino will be surprised by his friends' plans.
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3 multiple choice 1 point assuming a dart randomly strikes the interior…
\(\frac{1}{8}\)
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for example, in catalonia, the easternmost area of spain, the people sp…
True
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in the \good hours\,... the theme involves the contrast between communi…
C. ALL answers are correct.
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drag each tile to the correct box. match the bolded words to their cont…
- "sepulchre" → burial place or burial chamber - "musings" → reflection or thought - "mirth" → amusement or merriment - "communion" → close relationship with someone or something
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1. among 23 - to 28 - year - olds, 27% say they have driven a car while…
The probability that at least one has driven a car while under the influence of alcohol is approximately \(0.7927\)
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9) a local television station takes quick polls of public opinion by an…
All the viewers of the local television station. ### 9. b.
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breaking down information for quick repetition and memorization means u…
A. Flashcards
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what does this hand signal from a driver mean? slow or stop. right turn…
Left turn.
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a production possibilities frontier with a bowed outward shape indicate…
- First question: increasing opportunity costs as more and more of one good is produced. - Second question: can measure the opportunity cost of producing one more unit of a good.
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some children who are vaccinated against the measles would still contra…
C. a public good because immunity is nonexcludable, and everyone can simultaneously enjoy the "herd immunity."
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based on your google search and the chart below, does the unemployment …
Decreasing
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erica tried to evaluate the expression 12 + 18 ÷ 3 × (11 - 9). here is …
No, Erica made a mistake in Step 2. The brackets mean the numbers inside are grouped together. Erica should have divided \(18\) by the result of \(3\times(11 - 9)\) (i.e., \(18\di…
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question 1 of 10 which of the following activities is an example of gat…
B. Measuring how many parts workers assemble in an hour
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using a graphic organizer may bring deeper meaning to the information y…
T
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among 23 - to 28 - year - olds, 27% say they have driven a car while un…
a. The probability that all five have driven a car while under the influence of alcohol is approximately \(0.0014\). b. The probability that at least one has not driven a car whil…
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the box plot represents the number of minutes it takes for the students…
5
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the data set represents the number of miles mary jogged each day for th…
A. \(0\)
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which statement is true about the box plots? number of incorrect questi…
The ranges for the box plots are the same, but their interquartile ranges are different.
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the box plot represents the number of minutes customers spend on hold w…
6
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the interquartile range of the data set is 4. 2, 2, 3, 3, 4, 5, 5, 6, 7…
Twelve is not an outlier because it is less than the sum of \(7\) and \(6\).
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1. among 23 - to 28 - year - olds, 27% say they have driven a car while…
The probability that all five have driven a car while under the influence of alcohol is approximately \(0.0014\)
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1. among 23 - to 28 - year - olds, 27% say they have driven a car while…
a. \(\approx0.0014\) b. \(\approx0.9986\) c. \(\approx0.2073\) d. \(\approx0.7927\)
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the box plot compares the number of events that mrs. cais and mr. rolan…
Mr. Roland's class was more successful because his class's lower quartile was the same as Mrs. Cai's class's upper quartile.
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question 10 of 10 with which statement would walt whitman most likely a…
B. Science can't capture the true experience and meaning of nature.
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c. a situation that occurs when one persons consumption of a unit of a …
C. the marginal social cost of converting land to urban uses is greater than the marginal social benefit from consuming land converted to urban uses.
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not bear all the environmental and infrastructural costs generated by t…
D. a situation in which the market fails to produce the efficient level of output.
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question 1 - 7 the weights of the points a and b, shown on the number l…
The weighted average of \(A\) and \(B\) is closer to point \(A\) than to point \(B\).
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question 1 - 4 a number line with points p and q are shown. if point p …
\(13\)
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suppose the age that children learn to walk is normally distributed wit…
a. \(11\), \(1.1\) b. \(11\), \(0.3175\) c. \(0.7324\) d. \(0.9992\) e. \(No\) f. \(Q1 = 10.786\), \(Q3 = 11.214\), \(IQR = 0.428\)
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a football coach compared the yards per game of two of his running back…
Nasir was more successful because he had the greater measure of center.
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two students compared the scores on their math tests. their results on …
- The lower quartile and upper quartile of Nadia’s data are both higher than the lower quartile and upper quartile of Ben’s data. - Nadia had the highest score on a test.
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suppose the age that children learn to walk is normally distributed wit…
a. \(X\sim N(12,2.1)\) b. \(\bar{x}\sim N(12,0.355)\) c. \(0.1701\) d. \(0.7898\) e. No f. \(Q1 = 11.761\) months, \(Q3 = 12.239\) months, \(IQR = 0.478\) months
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constructing a box plot charles wants to analyze his last 9 math test s…
\(80\), \(84\), \(86\), \(87\), \(90\), \(91\), \(92\), \(94\), \(100\)
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select the correct answer. which organization is an interest group? ○ a…
E. the National Rifle Association
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predicting the effects of an outlier if a data set has only one outlier…
the range
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identifying an outlier the data set below represents the number of tele…
48 and 50
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in this quiz, you will evaluate how to set successful goals. accomplish…
B. Timely
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value: 2 making sure a goal lays out all steps and parts means it is: o…
A. Specific
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what is the meaning of the phrase \break ground\ in paragraph 7? a save…
B. do something new
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1. what is the meaning of refuted as it is used in line 33? proven fals…
Proven false