统计与概率
数据分析、概率分布、假设检验与统计方法。
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determine el coeficiente de correlación para cada conjunto de datos. re…
$r=-0,0857$
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unit 2: exploring two variable data hw 1 - two categorical variables na…
a) A side - by - side bar chart can be drawn with x - axis having Game, Commercials, Won't Watch categories and two bars (male and female) for each category with appropriate heigh…
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day 2 meaning of intercepts practice 1. find the x - intercept and y - …
1. **Cómo encontrar un intercepto x y un intercepto y de una tabla**: - El intercepto x es el valor de x cuando y = 0. El intercepto y es el valor de y cuando x = 0. - Para encont…
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determine the equation of regression lineal for each conjunto de datos.…
$y=-311,1429x + 9304,5238$
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16. a single card is drawn from a deck. what is the probability of sele…
b. 4/13
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15. what is the standard deviation of the following probability distrib…
b. 2.6
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view policies current attempt in progress zachariah was reading his psy…
It is the sense or act of hearing.
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13. what value would be needed to complete the following distribution? …
1. **For question 13**: - # Explanation: - ## Step1: Recall probability - distribution property - The sum of all probabilities in a probability - distribution is 1. Let the missin…
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7. the first test in introductory algebra had a mean of 82 with a stand…
b. - 0.47
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6. the following distribution lists ages of students in a college busin…
34
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4. thirteen golfers were asked what their score was on their last game.…
4. b. range 31; outlier 57 5. a. 18
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3. the following frequency distribution was obtained. class boundaries …
D. 34
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statistical modeling – end of 9 weeks part b - sep 25, 2025 answer all …
1. b. 7.6 2. d. 2.145 - 3.655
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when hana goes to the mall, she always buys the same lunch and also buy…
positive correlation
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which word means \to copy certain actions or habits of someone else\? e…
A. Emulate
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why is it important to be careful when you are texting people? you cann…
You can't see the impact your words have.
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what type of association is shown by the data in the scatter plot? a po…
B. negative association
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they eat and drink out of vessels of earth or glass, which make an agre…
The Utopians drink from glass cups. The Utopians make chamber - pots out of gold. The Utopians use gold to chain enslaved people.
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they eat and drink out of vessels of earth or glass, which make an agre…
The Utopians work hard to make gold and silver seem less valuable
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a good name is like deep roots, many old ones liked to say, that help t…
A good name is described as deep roots that help a tree stand strong against hard winds, symbolizing strength and lasting honor.
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if you are reading and do not understand a specific word, what should y…
Look up the meaning of the word that you are not understanding.
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josiah counted the number of silver beads on each bracelet at hampton j…
$379.5275$
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the table below shows the probability distribution of a random variable…
$1.69$
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kiara went on a road trip and tracked her driving each day. use the dat…
Complete the bar - graph by setting the lengths of the bars for each day according to the table values: Monday (100), Tuesday (100), Wednesday (300), Thursday (200), Friday (100).
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crazy horse, like so many oglala, had no desire to go near the holy roa…
Crazy Horse had no desire to go near the Holy Road or Fort Laramie because he understood the concerns of those who warned about the presence of whites and the history of conflicts.
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read the following excerpt from the journey of crazy horse: crazy horse…
It suggests a strong feeling of disgust and moral outrage.
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read the following excerpt from the journey of crazy horse. hunters ret…
Stayed silent and did not reveal their thoughts
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crm 1.2 test: two - variable linear equations test id: 3701579 1) which…
D. \(y=\frac{2}{3}x - 4\) ### 2. Rewrite \(y - 3=4(x - 2)\) in standard form (\(Ax+By = C\))
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making connections between utopia and more match each characteristic of…
- society that does not value gold and symbols of wealth: response to greed, self - interest, and unequal distribution of wealth - imaginary land located in a far - off place: res…
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which graph shows the line of best fit for the data?
The first graph (top - left graph)
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read the passage from chapter 6 of animal farm. \you have heard then, c…
A. the hypocrisy of some leaders
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read the excerpt from sir gawain and the green knight. they went on sta…
So that many of the noble knights were afraid to answer, And all were struck by his voice and stayed stone still
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read the excerpt from sir gawain and the green knight. yet arthur would…
D. And there was a custom, besides, that he meant to keep, That he had assumed in his noble way
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which behavior best describes the quality of a good team captain? waiti…
ensuring clear and constructive communication is maintained within the team
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which behaviors best demonstrate sportsmanship? choose three correct an…
- giving constructive feedback to teammates during a timeout - taking a moment to help up an opponent who tripped during play - congratulating the opposing team on their win despi…
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which graph shows the line of best fit for the data?
# Explanation: ## Step1: Recall line - of - best - fit concept The line of best fit is a straight line that best represents the data on a scatter - plot. It should be as close as …
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1. what does the name chichen itza mean? 2. when was chichen itza built…
1. "Mujer vieja de Itzá" en maya. 2. Entre los siglos VI y XII d. C. 3. Maya. 4. Estado de Yucatán, México. 5. Los sonidos se propagan de manera sorprendente, como el sonido simil…
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read the passage from \i know why the caged bird sings.\ occasionally, …
C. thinks of Momma as a friend.
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read the passage from i know why the caged bird sings. she smiled that …
It helps the reader to infer that Marguerite is perceptive.
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3 multiplechoice 1 point according to the passage, what was the primary…
3. To become good Americans while still maintaining pride in their original cultures. 4. By emphasizing her small stature and delicate features, highlighting her gentle and nurtur…
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select all that apply which of the following are elements of all strati…
- distinct groups that make up society's layers - the unequal distribution of valued resources - an ideology that explains and justifies inequality
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complete the chart by dragging and dropping the correct meaning into th…
infer - to determine something not stated directly by using reasoning and evidence from the text theme - the central idea or message of a work of literature, often expressed as a …
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5 pts. each (100 pts. total): for full credit, give complete & precise …
1. d) Ecclesiasticus 2. a) behind the text 3. TRUE 4. Feast of Weeks (Pentecost) 5. Josiah 6. a) J; b) P; c) D; d) E 7. TRUE 8. a) the place of women follows the common view of th…
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9. read the excerpt from harriet jacobs incidents in the life of a slav…
B. direct
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8. what is a complex word? a word with a debatable meaning a word conta…
a word containing multiple morphemes
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practice complete the following items. 1. write definitions of gruesome…
1. "Gruesome" means causing horror or repulsion, with the suffix "-some" indicating that it is characterized by horror. "Loathsome" means causing disgust, with "-some" showing it …
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3. what did the alien acts do? 4. why did the sedition act end debate o…
3. Increased naturalization waiting - period and gave president deportation power over non - citizens. 4. It made it illegal to oppose the government, silencing critics. 5. They r…
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question 2 2 / 4 the article says: these leaders had a bold idea. they …
A. brave
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the table shows the average total stopping distances of a vehicle on dr…
a. \(y = 0.06x^{2}+0.7x - 3\) b. \(150\)
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what is the equation of the line of best fit? y = -5/8x + 170 y = 25x +…
$y=-25x + 170$
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which of the following lines represents the line of best fit for the sc…
B. Option Text
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the histogram represents the distributions of boiling temperatures, in …
A. The two distributions are each nearly symmetric
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the box plots show the data distributions for the number of customers w…
A. interquartile range
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the scatter - plot shows the relationship between two variables, x and …
D. $y = 9.4-0.9x$
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select all that apply according to max weber, what are the two key comp…
the ability to bring about an intended outcome, the ability to overcome opposition
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the table shows the battery lives, in hours, of ten brand a batteries a…
Only Brand A data is symmetric, so standard deviation is the best measure to compare variability.
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the box plots represent the distributions of typing speeds of students …
The interquartile ranges of the two distributions are the same
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the histogram represents the distributions of boiling temperatures, in …
A. The two distributions are each nearly symmetric
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quiz chapter 2 section 2 i. cluster true - false. read the situations d…
1. 0 2. + 3. 0 4. 0 5. 0 6. + 7. + 8. + 9. 0 10. 0
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the histogram shows the prices for six - packs of adult socks and six -…
There is more variability in the prices of kid socks because they have a greater range.
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3 in the phrase \structural racism,\ the word \structural\ means: a per…
D. System - wide
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the histogram shows the distributions of prices for packs of adult sock…
There is no complete set of options provided in the question. Assuming common measures of center like mean, median, and mode are among the options, the median is often a good meas…
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james is interested in the relationship between weather conditions and …
Sunny: 8.6%, Cloudy: 14.3%, Rainy: 42.9%, Snowy: 34.3%
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which statements describe characteristics of allegory? select three opt…
- It comments on an abstract theory or historical event. - It occurs throughout the entire length of a story. - It contains meanings of social or political significance.
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the table shows the test scores of students who studied for a test as a…
Both distributions are nearly symmetric, so the mean and the standard deviation are the best measures for comparison.
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mavis is interested in whether military dependency is related to gender…
Females: 49%, Males: 51%
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here is a table giving the thousands of commuters in alabama in 2015 by…
Private vehicle: 1887, Public transportation: 9, Other: 42
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what kind of scatterplot do you see? positive correlation no correlation
Positive Correlation
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now no one is going to make you talk - possibly no one can. but bear in…
She values speaking up for oneself. She is concerned about others. She has high expectations of others.
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negative correlation (association) as one variable changes, it has no e…
As one variable increases, the other variable decreases.
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here is a table giving the thousands of commuters in alabama in 2015 by…
$< 15$ minutes: $27\%$, $15 - 29$ minutes: $39\%$, $30 - 44$ minutes: $20\%$, $45 - 59$ minutes: $8\%$, $\geq60$ minutes: $6\%$
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which of the following lines displays the line of best fit? a no correl…
B
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james is interested in the relationship between weather conditions and …
On - time: 330, Delayed: 35
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four family members are living in a home together, and one of them is a…
the oldest brother, Mark, who is 22 years old
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a veterinarian collected data about the kinds and sources of pets from …
The distribution of the number of cats from different pet - sources.
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the table compares the expected outcomes to the actual outcomes of the …
The mean of the actual sums is more than the mean of the expected sums, The range of the sums is the same for both sets of data.
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what type of correlation is this? all of the above negative no correlat…
B. Negative
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a straight line that should lie as close as possible to the points of d…
Line of best fit
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the histogram shows the number of morning customers who visited north c…
Best measure of center: Median Best measure of variation: Inter - quartile range (IQR) Reason: Both distributions are skewed
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function notation when a function can be written as an equation, the sy…
a. f(-2)=-7 b. f(7)=11 c. No se solicitó un valor c en la primera función d. k(0)=1 e. k(-1)=8 f. k(5)=-34 a. h(-3)=23 b. h(5)=15 c. p(-2)=-9 d. p(1)=3 Tabla: | x | f(x) | |----|-…
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the principle of popular sovereignty - means that government is based o…
Popular sovereignty
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acrostic poem an acrostic poem is a creative way to express ideas where…
A - Apples ripe in orchards near U - Umbrellas for the light autumn rain T - Trees ablaze with colors grand U - Underfoot, leaves crunch and expand M - Mornings cool, a fresh new …
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the table shows the yearly earnings, in thousands of dollars, over a 10…
The distribution of earnings for wage earners is more symmetric than the distribution of earnings for the self - employed.
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the table shows the monthly data usage in gigabytes for two cell phones…
The range of data usage for the primary phone is 0.28 gigabytes. The range of data usage for the secondary phone is 0.73 gigabytes. The median data usage of the secondary phone is…
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each day of spirit week at aleks school students have the option of dre…
The conditional distribution of dress - style for sophomores.
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the assumption of continuous market clearing means that: sellers can se…
D. at any given instant, buyers can buy all that they want and sellers can sell all that they want at the going price.
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which meaning of right most closely matches its meaning in the followin…
A. noun | moral or legal freedom
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the graph of which distribution is shown below? choose 1 answer: the ma…
None of the provided options seem correct based on the graph content. If we assume the options are wrong and we just identify the type of distribution from the graph, it is a marg…
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oyster volume (cc) which statements are true regarding the data display…
The median for the oyster volume is greater than the median for the mussel volume. The range in data for the oyster volume is greater than for the mussel volume. Oysters tend to h…
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1) what does the term enaissance\ literally mean? a) awakening b) cultu…
d) rebirth
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analyzing histograms average temperatures in kentucky and illinois anal…
The distribution for Kentucky is skewed left; The distribution for Illinois is skewed left; Both distributions are skewed left
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meteorologists look for weather trends across us states in the same geo…
Kentucky mean = \(53.52\) Kentucky median = \(52.75\) Both measures of center for Kentucky are greater than those of Illinois.
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18. which choice below is not necessary when creating a graph? properly…
connected data points
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analyzing average wind patterns the monthly wind speeds over a one - ye…
Median: 10.1 Mean: 10.25 Population standard deviation: 0.648
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answer the questions below. (a) a car dealership conducted a survey. it…
(a) There is a correlation between age and purchase price. There may or may not be causation. Further studies would have to be done to determine this. (b) There is no correlation …
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1.9 exit ticket: (complete the questions) 1. in your own words, what do…
-5
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read the excerpt from daughter of invention. but lauras inventing days …
D. after that, her mother had passed on to Yoyo her pencil and pad
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read the excerpt from daughter of invention. meanwhile, yoyo was on her…
Yoyo is saddened by her father's disapproval of the message in her speech for the assembly.
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before every flight, the pilot must verify that the total weight of the…
The probability is approximately $0.9995$. Yes. Because the probability is high, the pilot should take action by somehow reducing the weight of the aircraft. (Option B)
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fill in the blank. if a sample size is less than ______, the sample siz…
B. 30