Estadística
Análisis de datos, distribuciones de probabilidad y pruebas de hipótesis.
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activity 4: writing about literature directions: use each of your vocab…
1. The benign tumor caused no health problems. 2. His pay is commensurate with his experience. 3. I am dubious about his claims of winning the lottery.
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use the ogive to answer parts a) through d). male beagles a) what is th…
a) [Read the cumulative - frequency value at 27.5 pounds from the ogive] b) [Read the weight value at cumulative - frequency = 45 from the ogive] c) [Cumulative - frequency at 29.…
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without performing any calculations, determine which measure of central…
B. The mean is the best measure because the data are approximately symmetric.
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describe the difference between the calculation of population standard …
A. When calculating the population standard deviation, the sum of the squared deviations is divided by N. When calculating the sample standard deviation, the sum of the squared de…
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name: blanca moses period 5 ch 2 * ki 3 * pg 9 - 10 chapter 2 - key iss…
1. A graphical representation showing age - and sex - distribution of a population. 2. Indicates a high proportion of young individuals and high birth rates. 3. high; strains; day…
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sleep researchers agree that: dreams are meaningful. we need rem sleep.…
we need REM sleep.
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why did some national leaders support large transportation systems? a. …
B. It was a way to get goods to markets faster and at a lower cost, which would help the economy.
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find the mean of the data set. x = 110.1 (round to the nearest tenth as…
$19.88$
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complete the table. round values to the nearest tenth as needed. midpoi…
$69.57$
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midpoint x 70.5 92.5 114.5 136.5 158.5 x - x̄ -39.6 -17.6 4.4 26.4 48.4…
19362
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what does it mean to raise a number to the power of 0? you can look at …
1
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read the excerpt from part one of trifles. hale. so i knocked again, an…
He is eager to relay the details of the incident with as much accuracy as possible.
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which action might help to increase self - confidence? o being involved…
being involved in meaningful activities
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below are the jersey numbers of 11 players randomly selected from a foo…
33.7
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determine whether the underlined number is a statistic or a parameter. …
Parameter because the value is a numerical measurement describing a characteristic of a population.
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a clothing store sold 16 shirts this week. here they are by color. blac…
Draw bars of heights 1 (yellow), 6 (green), 4 (black), 5 (white) on the given bar - graph.
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find the mean, median, and mode of the data, if possible. if any of the…
A. The mean score is $10.9$
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find the range of the data set represented by the graph. the range of t…
25
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find the range of the data set represented by the graph. click the icon…
10
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explain how to find the range of a data set. what is an advantage of us…
1. D. The range is found by subtracting the minimum data entry from the maximum data entry. 2. C. It is easy to compute. 3. C. It uses only two entries from the data set.
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in a large population, 66% of the people have been vaccinated. if 5 peo…
$0.9955$
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use the appropriate formulas and methods to answer the following questi…
The range is 60. The standard deviation is 14.60.
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suppose that you have 7 green cards and 5 yellow cards. the cards are w…
a. 0.3403 b. 0.8264 c. 0.5833 d. They are independent events
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the ages of the winners of a cycling tournament are approximately bell …
(a) $z = 0.44$ (b) An age of 30 is 0.44 standard deviation(s) above the mean. (c) D. No, this value is not unusual. A z - score between - 2 and 2 is not unusual.
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the table shows population statistics for the ages of best actor and be…
Best Actor: $z\approx2.30$ Best Supporting Actor: $z\approx - 0.29$ The Best Actor was above the mean, which is unusual. The Best Supporting Actor was below the mean, which is usu…
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use the accompanying data set to complete the following actions. a. fin…
a. The first quartile, Q1, is 36. The second quartile, Q2, is 39.5. The third quartile, Q3, is 45. b. The interquartile range (IQR) is 9. c. A. There exists at least one outlier i…
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compare the three data sets on the right. (a) which data set has the gr…
(a) C. Data set (ii), because it has more entries that are farther away from the mean. B. Data set (iii), because it has more entries that are close to the mean. (b) C. The three …
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the numbers of regular - season wins for 10 football teams in a given s…
The population variance is 20.0. The population standard deviation is 4.5.
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twenty percent of adults in a particular community have at least a bach…
C. $P(x\geq60)=1 -$ binomcdf$(100,0.20,59)$
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use the empirical rule. the mean speed of a sample of vehicles along a …
68
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a study recorded the time it took for a sample of seven different speci…
Range = 9 day(s) s = 4.22
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flip the coin to find the probability of each event in the table. flip …
It depends on the actual number of heads in the 4 - coin flips. If \(x\) is the number of heads in 4 flips, the experimental probability of getting heads is \(\frac{x}{4}\), where…
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find the equation of the regression line for the given data. then const…
\(\hat{y}=0.045x + 17.48\)
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suppose that you have 7 green cards and 5 yellow cards. the cards are w…
a. 0.3182 b. 0.8485 c. 0.5455 d. They are dependent events
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a cbs news poll involved a nationwide random sample of 651 affiliation …
$0.4608$
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determine whether the variable is qualitative or quantitative. explain …
The variable is qualitative because types are non - numerical categories.
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the scores and their percent of the final grade for a statistics studen…
$92.35$
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carls gymnastics team sold popcorn for their annual fundraiser. the cha…
43; difference between the greatest and least values in the data set.
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match the items. a. imf b. globalization c. nafta d. multinational corp…
1. c. NAFTA 2. a. IMF 3. d. Multinational Corporations 4. b. Globalization
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carlis gymnastics team sold popcorn for their annual fundraiser. the ch…
43
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carls gymnastics team sold popcorn for their annual fundraiser. the cha…
43
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the distribution of the tuitions, fees, and room and board charges of a…
$3011.83$
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directions: select the correct answers. carlis gymnastics team sold pop…
43
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which of the following was the biggest factor in the early and rapid su…
the infectious diseases brought by the Spanish
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in which data set does the range have the greatest measure of spread? a…
C. 54, 26, 62, 47, 98
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which statement about the mean is true? a the mean can be found by divi…
A. The mean can be found by dividing the sum of the data by the number of data points in the set.
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tina recorded daily high temperatures for one week in the table. what i…
C. 72
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which data set has no mode? a 34, 37, 31, 39, 34 b 43, 47, 44, 44, 47 c…
C. 58, 54, 52, 56, 51
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measure of center measure of variation mode range fair share measure of…
| Measure of Center | Measure of Variation | | --- | --- | | mode, median, mean | range, measure of spread |
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a new hospital tracked the number of births during its first 6 months o…
$f(x)=5x^{2}-42x + 174$; $158$
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question 2 0/12 pts 2 details part 1 of 4 for the following problem, yo…
$0.340$
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how many students read between 60 and 70 minutes? type your answer in t…
7
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3a finding meanings choose two phrases to form a sentence that correctl…
1. A mortal wound is one that causes death. 2. A benefactor is someone who helps with gifts of money. 3. An unwitting insult is one that is unintended.
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for the following problem, you will need the formulas below. the mean/e…
Missing probability: 0 Mean ($\mu$): 0.69 Standard deviation ($\sigma$): 0.76 Variance ($Var(x)$): 0.58
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the midpoint in a ranking system, such as for height or weight, is call…
the 50th percentile.
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the distribution of the tuitions, fees, and room and board charges of a…
The sample mean is approximately $\$20824.97$ and the sample standard deviation is approximately $\$3011.87$. The completed frequency - distribution table is: | Class | Mid - poin…
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for the following problem, you will need the formulas below. the mean/e…
$0.123$
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find the 14th percentile, p_{14}, from the following data 3 6 19 27 30 …
27
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find the 54th percentile, p54, from the following data 11.4 11.6 12.2 1…
$30.9$
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read the claim. the government should raise the minimum wage. read the …
However, the Economic Policy Institute shows that raising the minimum wage will expand the economy so that there will be one hundred thousand new jobs.
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which is more affected by extreme observations, the mean or median? and…
A. mean, standard deviation
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in a study, the sample is chosen by selecting a room of the house, and …
Cluster
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value: 1 spending strategies used by the government, which are meant to…
B. Fiscal policy
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im sorry, but youll just have to tell them that you cant do it, his mom…
Be honest, even when it doesn't benefit you.
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the state education department requires local school districts to keep …
B. Race or Ethnicity E. Disabilities or Special Needs G. Student Name
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compare the three data sets on the right. (a) which data set has the gr…
(a) Which data set has the greatest sample standard deviation? C. Data set (ii), because it has more entries that are farther away from the mean. Which data set has the least samp…
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compare the three data sets on the right. (a) which data set has the gr…
C. Data set (ii), because it has more entries that are farther away from the mean.
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select the quotation from the story that most strongly suggests that th…
None of the above
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the depths (in inches) at which 10 artifacts are found are listed. 22.3…
B. The range is greatly affected by this change.
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callie saved up a pretty penny to pick out the perfect gift for michael…
The most meaningful gifts don't have to cost a lot.
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angela began having trouble sleeping at night. she dreamed of failing t…
Waiting to do something can be worse than actually doing it.
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what must be known about a data set before the empirical rule can be us…
D. The distribution must be approximately symmetric and bell - shaped.
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which is true of an event that is doubtless to happen? it is certain to…
it is certain to occur
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discuss the similarities and the differences between the empirical rule…
What is a similarity between the Empirical Rule and Chebychev's Theorem? B. Both estimate proportions of the data contained within k standard deviations of the mean. What is a dif…
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explain the relationship between variance and standard deviation. can e…
B. The standard deviation is the positive square root of the variance. The standard deviation and variance can never be negative. Squared deviations can never be negative.
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why is the standard deviation used more frequently than the variance? c…
A. The units of variance are squared.
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mrs hale: id hate to have men coming into my kitchen, snooping around a…
organize
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trifles: the rise of modern feminism on the stage, part 1 assignment ac…
"places in proper order"
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explain how to find the range of a data set. what is an advantage of us…
1. C. The range is found by subtracting the minimum data entry from the maximum data entry. 2. C. It is easy to compute. 3. C. It uses only two entries from the data set.
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explain how to find the range of a data set. what is an advantage of us…
Explain how to find the range of a data set: C. The range is found by subtracting the minimum data entry from the maximum data entry. What is an advantage of using the range as a …
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explain how to find the range of a data set. what is an advantage of us…
C. The range is found by subtracting the minimum data entry from the maximum data entry.
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alexandra kept a tally of the number of emails she received each day fo…
between Wednesday and Thursday
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which of the following statements is true? the indian appropriations ac…
The Indian Appropriations Act of 1871 meant that tribes were no longer classified as independent nations.
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complete the sentence with a word that has the same root as the word in…
infancy
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a random sample of 10 subjects have weights with a standard deviation o…
$138.3173$ kg$^{2}$
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what does \deconstruct\ mean in these sentences? selena found a crack i…
to take apart something that was built
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what does \preconstruction\ mean in these sentences? during preconstruc…
the planning before building something
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listen to the following being spoken. what does this mean in english? a…
C. We are talking.
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what does “tengo una carpeta de argollas.” mean in english? (1 point) i…
C. I have a three-ring binder.
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en 1989, mientras las naciones de toda europa oriental comenzaban el pr…
30. A. Líderes conservadores intentaron hacer un golpe contra el gobierno soviético. 31. B. Usando la fuerza militar para detener alzamientos
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listen to the following phrase being spoken. what does the phrase mean …
A. I have.
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studying material culture is important to anthropologists because the w…
D. both a and c
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make a word that means \the act of building something again.\ mis const…
reconstruct
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what does “me gusta la clase de ciencias naturales” mean in english? (1…
I like science class.
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make a word that means “a person who constructs something.” construct i…
constructor
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how does hyperbole contribute to the tone of a text? it clarifies the l…
It exaggerates for effect, often adding humor or intensity to the tone.
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what does econstruct\ mean? to build again to climb in a certain way to…
to build again
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what does \construct\ mean? to finish to measure to build i dont know.
to build
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when analyzing the meaning of a word in context, why is it important to…
Surrounding sentences can give clues about the word's connotation and how it contributes to the overall meaning.
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what does attendance and punctuality mean in a workplace setting? (1 po…
B. Coming to work on time every day