Estadística
Análisis de datos, distribuciones de probabilidad y pruebas de hipótesis.
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suppose that the outstanding credit card balance of a randomly selected…
1. \(X\sim\) (unknown distribution), \(\mu = 680\), \(\sigma = 119.9\), probability \(=0.6452\) 2. \(\overline{X}\sim N(\mu_{\overline{X}} = 680.0,\sigma_{\overline{X}}=20.6)\) (b…
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this year, the act score of a randomly selected student has an unknown …
\(0.2997\)
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1. \to form a more perfect union\ ○ meaning: ○ example:
Meaning: To create a stronger, more unified political entity. Example: Strengthening federal - state relationships in infrastructure development (e.g., interstate highways).
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1. what is the definition of irony? 2. list the types of irony and thei…
1. Irony is a contrast between expectation and reality. 2. - Verbal irony: Words mean the opposite. - Situational irony: Outcome contradicts expectation. - Dramatic irony: Audienc…
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3) the meaning of a hand signal when a drivers hand and arm are straigh…
3. C. left turn 4. C. take your foot off the gas pedal 5. D. all the above
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while odysseus spoke an old hound, lying near, pricked up his ears and …
Argus symbolizes loyalty and the neglected state of Ithaca. The detail that shows his symbolic meaning is that he was trained by Odysseus, abandoned, and still tries to show loyal…
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please remember to submit your workbook. © 2019 strongmind. created usi…
One - half of the data is between \(120\) and \(140\)
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please remember to submit your workbook. the following table shows the …
mean
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complete the sentence with the past perfect form of the verb. mean beth…
had meant
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the boxplot below shows the number of deaths attributed to uv radiation…
a. Middle Eastern Countries b. Middle Eastern Countries c. African Countries
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question 21 give the 5 - number summary for this boxplot? 1 2 3 4 5 6 7…
a. Min: \(1\) b. \(Q_1\): \(4\) c. Med: \(8\) d. \(Q_3\): \(12\) e. Max: \(17\)
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the box plot below shows the number of hours students studied for the l…
a. Skewed right b. \(50\) c. \(3\)
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the boxplot below shows salaries for construction workers and teachers.…
25
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question 18 based on the boxplot above, what is the value for the minim…
\(13\)
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based on the boxplot above, identify the 5 number summary
\(12\), \(14\), \(16\), \(18\), \(20\)
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question 16 complete the following statements. a. the first quartile (q…
a. 25 b. 50 c. 75
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complete the following statements. a. in general, % of the values in a …
a. 50 b. 25 c. 1050 d. 525
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the data below represents the number of t - shirts sold per week by a s…
\(10.6\)
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question 11 the table below gives the number of hours spent watching tv…
a. \(76\) b. \(26.37\)
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the table below gives the number of hours spent watching tv last week b…
a. \(88\) b. \(24.13\)
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question 11 the table below gives the number of hours spent watching tv…
a. \(82\) b. \(18.64\)
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“mind you dont,” said bessie, and when she had ascertained that i was r…
A. determined
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the highway mileage (mpg) for a sample of 8 different models of a car c…
a. Mean \(=28.6\) b. Median \(=29\) c. Mode \(=35\) d. Sample Standard Deviation \(=5.5\)
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find the mean, median, and mode of the following data set. round answer…
a. The mean is $38.63$ b. The median is $31$ c. The mode is $26,32$
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find the mean, median, and mode of the following data set. round answer…
a. The mean is $38.88$ b. The median is $32$ c. The mode is $26,33$
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c. for mode, if there is more than one number, separate the numbers wit…
a. Mean = $28.6$ b. Median = $29$ c. Mode = $35$ d. Sample Standard Deviation = $5.5$
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tactical displacement, one of the five forms of displacement identified…
one method of committing crime can be substituted for another
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to compute a students grade point average (gpa) for a term, the student…
\(3.08\)
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question 5 the standard deviation is a description of: the center of da…
The spread of the data
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consider the histogram below. a. determine the shape of the distributio…
a. Uniform b. mean
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consider the histogram below. a. determine the shape of the distributio…
a. Bell - shaped b. mean
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consider the histogram below. a. determine the shape of the distributio…
a. Skewed - left b. median
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a random sample of print - o - matic printing companys employee salarie…
Mean: $104476.70$ dollars Median: $94463.50$ dollars Mode: $100702$ dollars
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cholesterol levels (mg/dl) were collected from a random sample of patie…
a. \(245.9\) mg/dL b. \(255\) mg/dL c. \(288\) mg/dL
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pulse rates (in bpm) were collected from a random sample of females who…
The pulse rates before they exercised were more consistent than the pulse rates after they ran in place for one minute.
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pulse rates (in bpm) were collected from a random sample of females who…
The pulse rates before they exercised had a lower average than the pulse rates after they ran in place for one minute.
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1. what is the magistrates perspective on the meaning of life? o a. he …
1. C. He sees religion as the only way to find meaning. 2. D. his aversion to Christianity 3. D. dismissal of the trial 4. A. Meursault's lawyer implies that being honest in court…
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calculate the mean, variance, and standard deviation of the data shown.…
Mean = $20.28$ Variance = $33.59$ Standard Deviation = $5.80$
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two students are applying to a graduate school program at a highly comp…
Student A since his exam score is a higher number of standard deviations above the mean exam score than Student B.
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knowledge check #3: section 3.1 - 3.3 (due sunday) due sunday by 11:59p…
84% of employees have this evaluation rating or worse
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a golfer hits a golf ball. the graph of ( h(t) ) below shows the height…
- The golf ball reaches a maximum height of \(120\) feet after \(4\) seconds. - When the golf ball was hit, it was \(0\) feet above the ground. The ball lands after \(8\) seconds.…
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multiple choice question reliability means a test o is consistent in it…
is consistent in its measurement.
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given ( f(x)=12x - 4 ) and ( g(x)=x^{2}+7 ), find the following: ( g(-2…
\( g(-2)=11 \) \( x = 1.75 \) \( f(x)-g(x)=-x^{2}+12x - 11 \)
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the break - even point is when a companys sales (revenue) are equal to …
Coordenadas del punto de equilibrio: \( (50000,77500) \) Lo que significan las coordenadas: Cuando se producen y venden \( 50000 \) unidades, los ingresos (\( 77500 \) dólares) so…
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multiple choice question diversity of learning styles within ethnic gro…
are too variable to allow accurate prediction.
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at a local farm, customers pick their own strawberries using quart or h…
Part A: The constant of proportionality \(k = 1.4\), it means the cost per quart of strawberries. Part B: \(y = 1.4x\) 3. \((6.25,8.75)\)
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1. is the relationship between the number of quarts picked and the weig…
1. Yes, the relationship is proportional because the graph passes through the origin \((0,0)\). 2. The constant of proportionality \(k = 1.4\), and it means that for each quart of…
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multiple choice question diversity of learning styles within ethnic gro…
are too variable to allow accurate prediction.
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part a what is the constant of proportionality, and what does it mean i…
The constant of proportionality is \(0.6\) and it means the cost per quart. The equation is \(y = 0.6x\)
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according to the graph, what is the experimental probability of selecti…
\(\frac{1}{5}\)
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is the law of large numbers represented in the given statement? if it s…
No
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four tiles lettered m, a, t, and h are facedown on a table. a tile is s…
\(\frac{1}{4}\) (corresponding to the first option)
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what was the primary reason for rising unemployment in the 1970s? risin…
Rising costs meant less spending and manufacturing.
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redundancy an effective sentence contains only those words necessary to…
1. School starts at 8:00 A.M. and ends at 3:00 P.M. 2. Rafi is a preschool student. 3. Trimming (or Pruning) trees can be done during any season. 4. Henry's bike has a broken chai…
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knowing how to read a city map is a valuable skill. first, figure out y…
The author outlines steps to follow, such as figure out your location and establish direction.
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read the text. knowing how to read a city map is a valuable skill. firs…
to explain to readers how to navigate a city with a map
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1. is the relationship between the number of quarts picked and the weig…
1. Yes, the relationship is proportional because the graph is a straight line passing through the origin. 2. The constant of proportionality \(k = 0.6\), and it means the cost per…
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review the text. knowing how to read a city map is a valuable skill. fi…
The author outlines steps to follow, such as figure out your location and establish direction.
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read the text. knowing how to read a city map is a valuable skill. firs…
to explain to readers how to navigate a city with a map
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claim: the average weight of males is greater than 53 kg. ten male stud…
$H_0:\mu\leq53$
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what does the p in drop mean? peace out progress parent politics
Progress
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what does the p in drop mean? parent politics progress peace out
Progress
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9 multiple choice 1 point the old norse word \viking\ means what? tradi…
raiding
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11:50 94 an unknown metal has been found and the following experimental…
A. Volume \(=11.329x + 0.185\) B. \(124.8\)
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what does bataclan mean when he says \giving can be as simple as a smil…
Helping people can be done in small ways.
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9. when two variables are related but one doesnt cause the other, this …
B. Correlation
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4 - 70. the following scatterplots have correlations $r = - 0.9$, $r = …
a. \(r=-0.6\), b. \(r = 0.1\), c. \(r = 0.6\), d. \(r=-0.9\)
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part 1: fill in the blanks word bank unalienable liberty consent self -…
1. Grievances 2. Self - Evident 3. Unalienable 4. Abolished 5. Consent
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2. what is crucial for preventing misleading results in surveys? a. pro…
C. Questionnaire design
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mastering ohios american government standards 4 identify which group wa…
- **Part A**: C. lowering the voting age from 21 to 18 years - **Part B**: C. events associated with the war in Vietnam
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126 mastering ohios american government 4 identify which group was exte…
Part A: lowering the voting age from 21 to 18 years Part B: events associated with the war in Vietnam
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try again! answer two in a row correctly to continue. highlight all the…
A talented comedian
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name sumerians identify: use the word bank to label each description ti…
1. irrigation 2. ziggurats 3. Gilgamesh 4. Tigris 5. Ur 6. polytheistic 7. 60 8. cuneiform 9. mud bricks
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tessa plays her favorite song several times. it takes 16 minutes to pla…
The completed table (from left - to - right for the "Minutes" row) has values 16, 12, 8, 4, 0.
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c. when a group of ratios are equivalent, it means there is a proportio…
Yes, there is a proportional relationship. If each horse eats a constant amount of hay per day, say \(h\) pounds, and the number of horses is \(x\), the pounds of hay eaten \(y = …
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a company tracks its apps user engagement and reports that 25% of their…
a. Yes, it is a binomial experiment because there is a fixed number of independent trials (\(n = 11\)), two outcomes per trial (engage or not engage), constant probability of succ…
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matching: match each cause with its effect 6. ______ cyrus allowed conq…
6. F. There were many different types of religions in the Persian Empire 7. C. The Persian Empire ended 8. E. He founded the Persian Empire 9. B. He was defeated by the Greek flee…
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matching: match each person with his role in the persian empire. 1 ____…
1. C. Darius' son, attempted to attack Greeks too 2. E. Built a famous road, wanted to conquer Greeks 3. D. Longest reigning king of Persians 4. B. Conquered the Persian Empire wi…
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percentages to z - scores 5) find the value z of a standard normal dist…
(a) \(z=-0.58\) (b) \(z=-0.25\) (c) \(z=-1.04\) and \(z = 1.04\)
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4 - 4. sam collected data by measuring the pencils of her classmates. s…
The association is linear, positive, moderate, and has one outlier. ### b.
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aw data\ to percentages 3) the act is a test to determine readiness for…
a) Anthony is in approximately the \(88^{th}\) percentile. b) The percentage of people who scored better than Amanda is \(100\%-38.97\% = 61.03\%\)
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aw data\ to percentages 3) the act is a test to determine readiness for…
Anthony is in the \(88.49^{th}\) percentile.
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unit 2: the normal distribution practice converting worksheet name: dir…
(a) The z - score is \(z=\frac{180 - 150}{35}\approx0.86\). Interpretation: The score of \(180\) is \(0.86\) standard deviations above the mean. (b) The z - score is \(z=\frac{100…
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percentages to aw data\ 6) the distribution of act scores is approximat…
(a) The cutoff ACT score is approximately \(27.1\) (b) The cutoff ACT scores are approximately \(17.0\) and \(26.0\) (c) The ACT scores that make up the bottom \(10\%\) are approx…
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african women who are trying to eliminate female genital cutting from t…
All of the above are true.
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presumed cultural differences between humans to which people attach mea…
ethnicity.
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question suppose that over time, households used flash sale online reta…
overestimated because households would buy products at lower prices than those collected by the U.S. Bureau of Labor Statistics.
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the number of hits that a web site receives in 10 days is as follows: 4…
8.0
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the dot plot gives the weekly wage of the 16 employees of the tiptop co…
\(378.75\)
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6 multiple choice 12.5 points tyler recorded his monthly expenses in a …
$121.09$
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the weights, in kilograms, of 12 students in the ninth grade are listed…
\(65.08\)
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the number of cars each day in a company parking lot is shown in the ta…
\(27\)
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in a certain population of people, 19% will contract disease a at some …
- Part (b): \(0.25\) - Part (c): \(0.11\) - Part (d): \(0.7368\) - Part (e): \(0.7000\)
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the associate head of a certain business school is looking to hire 3 un…
The values of \(x\) are \(0\), \(1\), \(2\), \(3\). \(P(X = 1)=0.4091\), \(P(X = 2)=0.4091\)
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question- calculate the weighted average of \a = f \b = in each of the …
For case A: The weighted average is \(-3.4\). For case B: The weighted average is \(-0.25\).
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a recent poll suggests that 67% of canadians use their mobile device to…
(a) A. \(X\) is more likely to take on larger rather than smaller values; D. The probability distribution of \(X\) is left - skewed. (b) \(2.68\) (c) \(0.94\)
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fill in the blank question many companies choose to use lifo inventory …
First blank: highest; Second blank: lower.
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when looking at the normal curve, about what percentage of people have …
68 (but since 68 is not an option, there might be a mis - understanding. If we consider the closest value among the given options, and if there was a typo and the intended standar…
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the ______ is a strategy used in problem solving that ensures a solutio…
algorithm
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the accompanying table describes the random variable x, the numbers of …
\(0.026\)