Statistik
Datenanalyse, Wahrscheinlichkeitsverteilungen und Hypothesentests.
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nana measures the lengths of mice. their lengths, in centimeters, are r…
\(1.9\)
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la velocidad del casco de un barco se aproxima mediante la función (v =…
$v_s = 1.34\sqrt{l_n - 10}$, $l_n\geq10$
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read the excerpt from \the rosetta stone\. egyptian scripts were replac…
After Coptic became the prominent script, it was replaced by Arabic, which resulted in breaking society's connection to ancient times.
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the scatter plots from two different sets of data are graphed below. ex…
Graph A is a bad model for the data because the points are randomly scattered. Graph B is a good model for the data as the points seem to follow a trend.
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read this paragraph from the dark game. another thing that changed very…
Most espionage during the Civil War was fieldwork that included observation, scouting, and interrogation of prisoners
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which action would gandhi most likely embrace as a means of change? par…
A. participating in a hunger strike
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we believe that the people are greater than any foreign - power or pote…
1. Members are native - born, white, Gentile, Protestant women. Goals are maintaining racial purity, protecting homes/children, and ensuring American prosperity. 2. Beliefs are wh…
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8. which vocabulary term means asking questions to make sure the messag…
8. b) Clarification 9. a) Feedback 10. b) A worker opens the wrong valve because directions weren’t followed 11. b) To confirm instructions are understood and prevent mistakes 12.…
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which statements describe the shah’s rule of iran in the 1950s and 1960…
He invested in industrialization and modernization. He suppressed free speech and other civil liberties. He signed lucrative oil deals with Western countries. He established a lan…
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1. a child at this stage would observe the consistency in santa’s cloth…
B. Preoperational Stage
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based on a survey, 39% of likely voters would be willing to vote by int…
a. $0.00528$ b. A. Yes, because the probability of 10 or more is $0.00631$, which is low c. $0.996$
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give the conditional distribution of arrival status for cloudy days. ro…
On time: 95.8%, Delayed: 4.2%
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who has the greater range, farm x or farm y? farm x neither farm y thei…
Their ranges are the same
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how can an outlier affect your data? it can cause your mean, standard d…
It can cause your mean, standard deviation, and range to increase or decrease.
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the data value that has the greatest frequency in a data set is called.…
the mode
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if the distribution is bell shaped which measure of center and measure …
The measure of center is the mean and the measure of variability is the standard deviation (or variance). Among the given options, the closest is mean and MAD (though standard dev…
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marbles problems fill in the blank 3 points find the probability of dra…
$P(\text{red})=\frac{13}{27}$ $P(\text{red}|\text{steel})=\frac{13}{27}$
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describe the shape of the dot plot.
Symmetrical
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8. diversification in investing means: a. putting all your money in one…
8. C. Spreading your investments across different asset types 9. C. REIT 10. B. Stocks 11. F 12. T 13. F 14. T 15. T 16. One advantage is liquidity (easy access to money). 17. Com…
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mad (mean absolute deviation) a measure of center calculated by finding…
A measure of variability calculated by averaging the distances of data values from the mean.
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what does work - life balance mean for most people? (1 point) prioritiz…
C. Meeting work and family commitments satisfactorily
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employee ages what is the minimum?
10
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read tys topic sentence for a paragraph: there are even a few cases whe…
Wess, a collie, jumped in front of his owner Lily and allowed the snake to bite him to protect Lily.
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based on the box plot, what is the median number of eggs laid? 8 2 6 3
6
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directions: show all your work. indicate clearly the methods you use, b…
a. Region I has a right - skewed distribution with values ranging from about 60 to 90 and median around 75. Region II has a left - skewed distribution with values ranging from abo…
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read the text calling for reform of the spoils system. we hereby declar…
The spoils system hurts political parties and helps corruption grow.
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part b which phrase from paragraph 4 helps the reader understand the me…
C. "avoid making eye contact"
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floated on the consciousness of a new lease on life, all the hurried sc…
D. surreptitiously
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19 mccaffertys hesitant question startled the celebrity specialist into…
C. The description of the fog reflects McCafferty's oppressive anxiety.
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based on a survey, assume that 33% of consumers are comfortable having …
$n = 4$, $x = 2$, $p = 0.33$, $q = 0.67$
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day average temperature (°f) spicy salsa orders sunday 85 162 monday 86…
The number of spicy salsa orders decreases as the average temperature increases.
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39.7% of consumers believe that cash will be obsolete in the next 20 ye…
$0.319$
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day 2: download or print the pdf for this lesson and follow along in th…
Qualitative
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assume that when human - resource managers are randomly selected, 52% s…
$0.0008$
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day 2: download or print the pdf for this lesson and follow along in th…
Qualitative
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read the excerpt from act i, scene i of romeo and juliet. romeo: well, …
She does not want to fall in love with anyone
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day 2: download or print the pdf for this lesson and follow along in th…
Quantitative
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day 2: download or print the pdf for this lesson and follow along in th…
Quantitative
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based on a survey, 37% of likely voters would be willing to vote by int…
a. $0.00075$ b. B. Yes, because the probability of 12 or more is $0.00086$, which is low c. $0.998$
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puns were used by shakespeare to explain historical background to the a…
add humor or hidden meanings to a scene.
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based on a survey, 37% of likely voters would be willing to vote by int…
a. $0.00075$ b. B. Yes, because the probability of 12 or more is $0.00077$, which is low.
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based on a survey, 37% of likely voters would be willing to vote by int…
a. $0.00075$ b. B. Yes, because the probability of 12 or more is $0.000774$, which is low.
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4) a grocery store orders 50 bags of oranges from a company’s distribut…
Yes, the mean weight of 3.85 pounds of the grocery store's sample is unusual. The simulation results are centered around 4.001 pounds, and 3.85 pounds is in the tail of the distri…
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based on a survey, 37% of likely voters would be willing to vote by int…
a. 0.00075 b. B. Yes, because the probability of 12 or more is 0.00076, which is low.
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based on a survey, 37% of likely voters would be willing to vote by int…
$0.00091$
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what does the word spoils mean in the quotation above? to the victor be…
D. items of value
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based on a survey, 37% of likely voters would be willing to vote by int…
$0.00016$
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based on a survey, 37% of likely voters would be willing to vote by int…
$0.00016$
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4. compute the probability of x successes, using table b in appendix a.…
5a: $P(3)\approx0.000493$ 5b: $P(2)\approx0.131$ 5c: $P(3)\approx0.342$ 6a: $P(0)=0.00647$ 6b: $P(5)\approx0.187$
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3. compute the probability of x successes, using table b in appendix a.…
a. $0.42$ b. $0.3456$
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based on a poll, among adults who regret getting tattoos, 15% say that …
a. $0.2316$ b. $0.3679$ c. $0.5995$ d. No, because the probability that more than 1 of the selected adults say that they were too young is greater than $0.05$
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based on a poll, among adults who regret getting tattoos, 15% say that …
a. $0.2316$ b. $0.3679$ c. $0.5996$ d. more than 1; greater than
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based on a poll, among adults who regret getting tattoos, 15% say that …
a. 0.2316 b. 0.3679 c. 0.5995 d. No, because the probability that 1 or fewer of the selected adults say that they were too young is 0.5995 > 0.05
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marbles problems | | glass | steel | plastic | total | | ---- | ---- | …
$P(glass)=\frac{22}{81}$ $P(glass|green)=\frac{5}{6}$ No, the events "glass" and "green" are not independent events.
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based on a poll, among adults who regret getting tattoos, 15% say that …
a. $0.2316$ b. $0.3679$ c. $0.5995$
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probability worksheet 4 (independent events, intersection rule) 1 multi…
B. \(P(B)=P(B|A)\) D. \(P(A)=P(A|B)\)
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the table below shows the conditional relative frequencies of a set of …
There is an association between gender and scholarship earned because the conditional relative frequencies for males and females who earned a scholarship are different.
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based on a poll, among adults who regret getting tattoos, 15% say that …
$0.3679$
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based on a poll, among adults who regret getting tattoos, 15% say that …
$0.2316$
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the graph shows the relationship between time and distance for masons t…
a. Yes, the graph shows a proportional relationship because it is a straight - line graph passing through the origin. b. The unit rate for Mason's run is 200 meters per minute. c.…
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identify the expression for calculating the mean of a binomial distribu…
D. np
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one hundred thirty people were asked to determine how many cups of frui…
The conditional relative frequency that someone ate more than 2 cups of fruit, given the person drank less than or equal to 4 cups of water is approximately 24%. The conditional r…
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station #9 \the invariable mark of wisdom is to see the miraculous in t…
Emerson means that true wisdom lies in the ability to find the extraordinary and wonderful aspects within the seemingly mundane and common - place elements of life.
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analyzing conditional relative frequency tables. students in 10th and 1…
Given that a student is a 10th grader, there is a 14% chance he or she has a job.
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for the binomial distribution, which formula finds the standard deviati…
\(\sqrt{npq}\) (the second option)
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which of the following is not a requirement of the binomial probability…
B. The trials must be dependent
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assume that hybridization experiments are conducted with peas having th…
The result is significantly low, because 8 peas with green pods is less than or equal to 16.4 peas.
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the frequency table represents data gathered about how much time some f…
$a = 0.6$ $b = 0.4$ $c = 0.2$ $d = 0.8$
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the following text is from yann martels 2001 novel life of pi. the narr…
A. Extended
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4. which financial aid package options would be reduced by fees (deduct…
d. Direct Subsidized Federal Loan
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true/false: your employer can deposit your pay - check directly into yo…
B. true
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movies based on books are never as good as the original stories. they o…
C. By insisting that movies based on books are not meant to duplicate the books but to complement them
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assume that hybridization experiments are conducted with peas having th…
The value of the standard deviation is $\sigma = 2.3$ peas.
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assume that hybridization experiments are conducted with peas having th…
21
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practice working with relative frequency tables. weekend curfews determ…
$a = 0.1$ $b = 0.85$
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4. part b: which quote from the text best supports the answer to part a…
4. Without knowing the answer to Part A, it's impossible to determine the correct quote. 5. Without the full text and specific content of paragraphs 19 - 20, it's not possible to …
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a card is drawn from a standard deck. are these events mutually exclusi…
B. overlapping
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1. which statement best identifies the central idea of the text? a. the…
## Part A: C. Joseph McCarthy used fear to manipulate Americans and government officials into wrongly accusing and convicting people of being secret communists. ## Part B: A. "McC…
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in an experiment, a die is tossed. are these events mutually exclusive …
B. overlapping
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wednesday, july 8, 1942 - by anne frank. suddenly the doorbell rang aga…
D. Will they hide in the city or country?
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assume that different groups of couples use a particular method of gend…
$6.7$
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a spinner with 8 equal parts numbered 1 - 8 is spun. are these events m…
B. mutually exclusive
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what does move \back\ mean in this problem? to move in the positive dir…
to move in the negative direction
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blacklisting mccarthy was not the only individual to seek out potential…
4. Without knowing the answer to Part A, it's impossible to determine the correct quote. 5. Reagan's testimony likely expresses his stance on communism and its threat to democrati…
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assume that different groups of couples use a particular method of gend…
$2.4$
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assume that different groups of couples use a particular method of gend…
11.5
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which of the following statements about the students at central high sc…
A is false (more information on other options needed for full - answer)
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based on a poll, among adults who regret getting tattoos, 14% say that …
a. $0.2213$ b. $0.3603$ c. $0.5816$ d. No, because the probability that more than 1 of the selected adults say that they were too young is greater than $0.05$.
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here is a table giving the number of us households (in thousands) in 20…
Owns home: 76 Rents home: 40
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while reading an assigned chapter in his statistics textbook, kay comes…
Highlighting important concepts and terms in your reading assignment Asking yourself what you need to learn from a reading assignment before beginning it Connecting new informatio…
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based on a poll, among adults who regret getting tattoos, 14% say that …
a. 0.2213 b. 0.3603 c. 0.5816 d. No, because the probability that 0 or 1 of the selected adults say that they were too young is greater than 0.05.
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others do not. the following two - way table displays this data. approx…
53%
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analyze each scenario in the following table, and select whether the st…
1. Tara: Active 2. Dominic: Active 3. Phil: Passive 4. Raj: Active 5. Mary: Passive 6. Juanita: Active
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based on a poll, among adults who regret getting tattoos, 14% say that …
$0.5816$
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spain in north america spanish explorers made several important discove…
1. F 2. D 3. G 4. B 5. E 6. B 7. C 8. C 9. H 10. C
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based on a poll, among adults who regret getting tattoos, 14% say that …
$0.4197$
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based on a poll, among adults who regret getting tattoos, 14% say that …
$0.3725$
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what is diversification? a. deciding how much money to allocate to each…
A. Deciding how much money to allocate to each asset type B. Choosing the percentage or distribution of investments to make within each asset type
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based on a poll, among adults who regret getting tattoos, 14% say that …
$0.3243$
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9. write an equation in any form to represent the table. |x|y| |0|8| |2…
$y = 2x + 8$ ### 10.