Estadística
Análisis de datos, distribuciones de probabilidad y pruebas de hipótesis.
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a small computer company runs four manufacturing plants, each of which …
(a) Oakville, Eastside (b) Hillview (c) 220
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jack figured out the scores at the end of a card game. scores in a card…
4
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which variables in the table are examples of categorical data? select o…
Shipping State, Product ID
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jack figured out the scores at the end of a card game. scores in a card…
4
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approximating the mean of a data set given a frequency distribution a p…
\(843.5\)
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some friends compared how many times they visited an amusement park las…
2
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archie is fed up with waiting in line at his local post office, and pla…
\(16.7\)
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a hotel asked its guests how many times they went sledding last winter.…
0
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what are two important questions to ask when trying to understand the r…
- Are there any restrictions to the analysis? - Could any biases or errors change the findings?
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16) fill in the blanks using the available answer choices. arguments th…
No
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mark kept track of the scores on his favorite radio quiz show. scores o…
3
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when checking a set of data, what are two important questions to ask? s…
- Could this data accidentally increase bias? - Can this data be easily understood by others?
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some authors wrote stories for a book of short stories. writing stories…
8
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a marble is selected from a bag containing eight marbles numbered 1 to …
(a) \( \{2,4,5,6,7,8\} \) (b) \( \{4,6,8\} \) (c) \( \{1,3,5,7\} \)
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the owner of an ice skating rink counted the number of times that peopl…
27
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complete the tables for different values of \\hat{p} and \\hat{q}=1 - \…
| \(\hat{p}\) | \(\hat{q}=1-\hat{p}\) | \(\hat{p}\hat{q}\) | |---|---|---| | \(0.0\) | \(1.0\) | \(0.00\) | | \(0.1\) | \(0.9\) | \(0.09\) | | \(0.2\) | \(0.8\) | \(0.16\) | | \(0…
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the stephenson senior care center kept track of how often its residents…
22
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why is it necessary to check that ( nhat{p}geq5 ) and ( nhat{q}geq5 )? …
D. It is necessary to check that \(n\hat{p}\geq5\) and \(n\hat{q}\geq5\) because, if either of the values are less than 5, the distribution may not be normally distributed, thus \…
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a tile is selected from seven tiles, each labeled with a different lett…
(a) \(\{A,C\}\) (b) \(\{A,B,C,E,G\}\) (c) \(\{B,D,F\}\)
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some students were surveyed about how many pairs of sandals they own. p…
19
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the shop teacher wrote down how many picture frames the students made l…
4
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the shop teacher wrote down how many picture frames the students made l…
3
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which is a sentence fragment? the maps legend indicates the meaning of …
The undercover agent still investigating that strange case.
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a number cube with faces labeled 1 to 6 is rolled once. the number roll…
(a) \( \{1,3\} \) (b) \( \{1,2,3,5\} \) (c) \( \{2,4,6\} \)
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translate the statement into a confidence interval. approximate the lev…
\(95.3\%\)
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the shop teacher wrote down how many picture frames the students made l…
3
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some students spun a wheel that had numbers from 0 to 5 on it. spinning…
4
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researchers asked 300 families whether or not they were homeowners and …
(a) \(28\%\), (b) \(49\%\)
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zane tracked the scores on a tv game show for a week. scores on a tv ga…
27
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some students sold cookies for a fundraiser. selling cookies how many s…
10
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a group of 250 middle school students were asked whether they prefer pl…
(a) \(58\%\) (b) \(52\%\)
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students in mrs. dustins math class guessed a number between 1 and 5 an…
7
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translate the statement into a confidence interval. approximate the lev…
$(0.600,0.660)$
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the customers at a cookie store ate different numbers of cookies. eatin…
12
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translate the statement into a confidence interval. approximate the lev…
\(75.4\)
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the scatter plot shows the number of hours worked and money spent on en…
(a) increase (b) a positive (c) 25 dollars
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mr. brock recorded the scores on a math quiz. scores on the math quiz h…
10
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translate the statement into a confidence interval. approximate the lev…
The confidence interval for the proportion is $(0.520, 0.540)$
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some people were asked for their favorite numbers. peoples favorite num…
3
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the scatter plot shows the theater revenue and rental revenue for each …
(a) increase; (b) a positive; (c) \(11.5\) million dollars.
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translate the statement into a confidence interval. approximate the lev…
\(75.4\)
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jamie asked some people how many times they went to a water park last s…
8
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translate the statement into a confidence interval. approximate the lev…
\((0.460,0.480)\)
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select the text from the paragraph that best helps you understand that …
"an all - female Soviet unit of fighter pilots, was a notable exception"
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select the text from the paragraph that best helps you understand that …
awards recognizing the work of individuals who are no longer living
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select the text from the paragraph that best helps you understand that …
"controversial"
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where can you find data to use in a statistical analysis? select one or…
B. Primary sources like questionnaires, D. Secondary sources like government reports
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finding pogo it was ten oclock in the morning when the alert came to al…
Even the smartest people need help sometimes.
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the scatter plot shows the time spent studying, x, and the midterm scor…
(a) \(73.24\) (b) \(15.64\) (c) \(3.84\)
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traditional symbols of dia de los muertos the different colors of the p…
B. False
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traditional symbols of dia de los muertos the traditional flower of dia…
Nahuatl
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what was the purpose of the freedmen’s bureau?
The purpose of the Freedmen's Bureau was to assist newly - freed African Americans in the South by providing education, employment mediation, food and supply distribution, and leg…
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the lead role travaris had always loved singing, but he was still stunn…
Be honest, even when it doesn't benefit you.
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how is the statistical investigative process used? select one to solve …
To tackle problems where there is both data and variation
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read the following story. callies gift callie opened a letter she got i…
The most meaningful gifts don't have to cost a lot.
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the presentation for the final exam, instead of a written test, everyon…
Waiting to do something can be worse than actually doing it.
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zendayas math teacher finds that theres roughly a linear relationship b…
The number of hours a student should spend on their homework to expect a score of 100 on the quiz.
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additional practice 1. the graph displays the amount of cement in a cem…
The volume of cement first decreases, then stays the same for a period of time, and then decreases again until it is completely unloaded.
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the word metamorphosis contains the root morph. what does the root morp…
shape
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the word hydrant contains the root hydro. what does the root hydro mean…
water
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question 5 of 5 what business philosophy did ray kroc most likely follo…
C. Cooperation is the key to a successful business.
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the word astronomy contains the root astro. what does the root astro me…
star
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the word facility contains the root fac. what does the root fac mean? d…
do or make
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translate the statement into a confidence interval. approximate the lev…
\((0.46,0.48)\)
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translate the statement into a confidence interval. approximate the lev…
\(96.5\)
-
translate the statement into a confidence interval. approximate the lev…
\((0.64,0.70)\)
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translate the statement into a confidence interval. approximate the lev…
\(97.3\)
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translate the statement into a confidence interval. approximate the lev…
\((0.679,0.741)\)
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question 7 of 20 look at this painting depicting a scene from the ramay…
C. It associates Rama with the Hindu god Vishnu.
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question 5 of 20 in the play pygmalion, the character of galatea is not…
C. The poor are often objectified.
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the figure to the right shows the results of a survey in which 3000 col…
$(0.124,0.156)$
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the figure to the right shows the results of a survey in which 3000 col…
\((0.457,0.504)\) (rounded to three decimal places)
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amount of liquid (cups) 2\\frac{1}{4} 3\\frac{3}{4} 2\\frac{3}{4} 3\\fr…
- At \(2\): \(1\) X. - At \(2\frac{1}{4}\): \(1\) X. - At \(2\frac{1}{2}\): \(1\) X. - At \(2\frac{3}{4}\): \(3\) Xs. - At \(3\frac{1}{4}\): \(1\) X. - At \(3\frac{1}{2}\): \(2\) …
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the figure to the right shows the results of a survey in which 3000 col…
\((0.607,0.653)\)
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1. what is federalism? a system where state governments control all pol…
1. A system where power is shared between the national and state governments. 2. Taxing citizens. 3. The right of tribal nations to govern themselves.
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the judge at a cake contest made note of how much sugar was used in eac…
Place \(1\) X above \(2\), \(2\) Xs above \(2\frac{1}{4}\), \(2\) Xs above \(2\frac{3}{4}\), \(1\) X above \(3\frac{3}{4}\), \(1\) X above \(4\), \(1\) X above \(4\frac{1}{4}\) an…
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the figure to the right shows the results of a survey in which 3000 col…
\((0.658,0.702)\)
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question #18 true or false: in modernism, stein and some other writers …
Question #18: False Question #19: Optimism
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the figure to the right shows the results of a survey in which 3000 col…
$(0.678,0.722)$
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at first youll joy to see the playful snow, like white moths trembling …
misses his old home
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antonyms choose the word from this unit that is most nearly opposite in…
1. moist 2. playful 3. agitated 4. major 5. praise
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the figure to the right shows the results of a survey in which 1008 adu…
\((0.109,0.151)\)
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like white moths trembling on the tropic air, or waters of the hills th…
miss the South
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the figure to the right shows the results of a survey in which 1008 adu…
\((0.439,0.501)\)
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there is no simplifying involved in making this change. options for sol…
Percent: \(80\%\) Decimal: \(0.8\)
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amount of smoothie (cups) 3 3\\frac{3}{4} 2 2\\frac{1}{4} 2\\frac{1}{4}…
The line - plot should have 1 X at \(2\), 5 X's at \(2\frac{1}{4}\), 2 X's at \(2\frac{1}{2}\), 1 X at \(3\), 3 X's at \(3\frac{3}{4}\), and 2 X's at \(4\).
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the figure to the right shows the results of a survey in which 1008 adu…
\((0.262,0.318)\)
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which element from modernism is being described here? in william faulkn…
First question: Symbolism Second question: In Modernist literature, the individual is more interesting than society.
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the figure to the right shows the results of a survey in which 1008 adu…
$(0.166,0.214)$
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write the fraction as a percent and as a decimal. there is no simplifyi…
Percent: \(125\%\) Decimal: \(1.25\)
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asked how many cups of flour they use in a loaf of banana bread. amount…
The line - plot should have: - \(1\) X at \(2\frac{1}{4}\) - \(1\) X at \(2\frac{1}{2}\) - \(2\) X's at \(2\frac{3}{4}\) - \(1\) X at \(3\) - \(3\) X's at \(3\frac{1}{4}\) - \(3\)…
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the figure to the right shows the results of a survey in which 1008 adu…
\((0.301,0.359)\)
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a researcher wishes to estimate, with 99% confidence, the population pr…
A. Having an estimate of the population proportion reduces the minimum sample size needed.
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a researcher wishes to estimate, with 99% confidence, the population pr…
\(n = 837\) (Since we round up to the nearest whole number)
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what is the mode? 1 0 0 6 1 6 1
\(1\)
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a researcher wishes to estimate, with 99% confidence, the population pr…
\(n = 1037\)
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a researcher wishes to estimate, with 99% confidence, the population pr…
A. Having an estimate of the population proportion reduces the minimum sample size needed.
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question 15, 6.3.19-t part 2 of 3 a researcher wishes to estimate, with…
\(n = 996\) (rounded up to the nearest whole number)
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a researcher wishes to estimate, with 99% confidence, the population pr…
\(n = 1037\)
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leslie is a park ranger who protects national forests and parks. last m…
The line - plot should have X's as per the above - counted frequencies for each value.