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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10 which of these frequency counts would be represented by the tallest …
D. 21
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what does the french word bourgeoisie mean? the rich the poor the sotel…
D. The middle class
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analyze why the conquering of mecca in 630 was important for islam. (1 …
It solidified Islam as a faith and one backed by military support.
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18 according to the histogram, how many students live between 3 and 3.9…
B. 20
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17 according to the histogram, how many students live between 1 and 1.9…
A. 25
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write a short paragraph comparing how tradition and adaptability are bo…
Tradition offers a sense of continuity and identity, grounding individuals or groups. Adaptability, meanwhile, enables them to respond to new challenges and opportunities. In the …
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the system of equations shown is solved using the linear combination me…
There are infinitely many solutions to the system because the equations represent the same line.
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which line plot represents this data? 2, 3, 4, 2, 5, 3, 1, 4, 3, 2, 6, 3
The second line - plot (the one on the right). 1 has 1 "x", 2 has 3 "x"s, 3 has 5 "x"s, 4 has 2 "x"s, 5 has 1 "x", 6 has 1 "x" which matches the frequencies in the data set 2, 3, …
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word study anglo - saxon suffix - some a suffix is one or more syllable…
1. Worrisome: Causing worry. 2. Lonesome: Feeling alone. 3. Tiresome: Causing fatigue. 4. Adventuresome: Willing to take risks. B - 1. The view at sunset from the top of the mount…
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word study anglo - saxon suffix - some a. directions: select the correc…
A. 1. fearsome 2. lothsome 3. meddlesome 4. quarrelsome B. 1. It is irksome that some people are so inconsiderate. 2. The barber has a lot of loathsome customers. 3. This old - fa…
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this table shows data from a survey. which circle graph best represents…
The second circle - graph (the one with the largest section labeled 40, the second - largest labeled 25, and the other two sections labeled 20 and 15)
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a town was considering a new tax to fund a recycling program. residents…
A resident in the group who supports the tax is likely to be male.
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21) a hook first sentence in an introduction that is meant to grab the …
Did you know that the average student checks their phone over 100 times a day, even during class?
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5. in terms of the acronym smart, what does it mean to be \timely\? * t…
5. The goal has a defined time frame for completion. 6. I will know I have reached this goal when I can maintain a regular exercise program 3 times a week for 40 minutes per sessi…
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2. in terms of the acronym smart, what does it mean when a goal is \mea…
2. Anyone can collect data on the goal. 3. The goal takes up ALL of your time until it is completed. 4. Realistic - you must be able to accomplish the goal.
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3. in paragraph 30, the narrator says, as it was, the two of us were on…
A. Only one would stay alive.
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a random group of high school and college students were asked if they s…
The conditional relative frequency that someone is in high school, given that the person prefers to study without music, is about 0.56. If someone prefers to study with music, the…
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15) prewrite - free write (2 - 3 sentences) prompt: write anything that…
A time I felt brave was when I had to give a speech in front of a large audience. Courage means facing your fears and not backing down. People show courage when they stand up for …
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figurative language review read the example or the question. determine …
1. Personification 2. Back to the drawing board 3. Metaphor 4. I could eat the kitchen table 5. Idiom 6. The wind spoke in song 7. Simile 8. He is a giant 9. Hyperbole 10. Personi…
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17. the vegetable display at a market has exactly 52 peaches and 34 plu…
20.25%
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15. lucy observed cars passing on a highway for 1 hour and recorded the…
0.25
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excerpt from solitude by henry david thoreau henry david thoreau was a …
Being alone can be extremely pleasant.
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a group of random people were polled about whether they prefer to commu…
54%
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read this quote by w e b. du bois \the slave went free, stood a brief m…
African Americans gained their freedom after the Civil War, and many rights during Reconstruction, only to lose them quickly afterward
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13. alberto surveyed the students in his homeroom and asked if they wer…
$0.25$
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read this excerpt from narrative of the life of frederick douglass. tho…
The love and friendship between enslaved people made the decision to attempt escape more difficult.
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10. which statement describes independent events? a president and vice …
A fair 6 - sided cube has a different color on each side—red, blue, green, orange, purple, and yellow. Evan rolls the cube 3 times.
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read the excerpt from chapter 10 of narrative of the life of frederick …
It emphasizes the intensity of Douglass's determination to be free.
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what was a result of the emancipation proclamation? the south surrender…
The meaning of the war changed
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gabby works for a special department set up with the goal of getting pa…
a collections agency
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question 14 score on last try: 0.46 of 1 pts. see details for more. at …
0: 0.015252 1: 0.087203 2: 0.214022 3: 0.291734 4: 0.242719 5: 0.117271 6: 0.032711 7: 0.003737
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read it! woof! your dog says it, but what does it mean? soon you will b…
B. developed
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aaron plays on a baseball team, and the probability that the team wins …
independent, equal, product
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researchers asked residents of a city about where they lived and whethe…
residents living in a house who have a dog; residents living in an apartment who have a dog
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describe the shape of the histogram. skewed left skewed right roughly s…
Describe the shape of the histogram: Skewed left Find the mean: Calculate using $\mu=\sum_{i}x_ip_i$ Find the variance: Calculate using $\sigma^{2}=\sum_{i}(x_i - \mu)^2p_i$ Find …
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define the following vocabulary words from on the come up - chap 1 - 13…
1. Lucrative: Producing a great deal of profit. 2. Inevitably: As is certain to happen; unavoidably. 3. Clique: A small exclusive group of people. 4. Fallacy: A mistaken belief, e…
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describe the shape of the histogram. skewed left skewed right roughly s…
Describe the shape of the histogram: - Skewed right Find the mean: (No numerical data for frequencies, cannot calculate exactly) Find the variance: (No numerical data for frequenc…
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name: zydijah suber per: 8th date: sep 20, 2015 mr. pinnock define the …
The willingness to take bold risks.
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describe the shape of the histogram. skewed left skewed right roughly s…
1. **Shape of the histogram**: The histogram is skewed right because the tail of the distribution extends to the right (the values on the right - hand side have lower frequencies …
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describe the shape of the histogram. skewed left skewed right roughly s…
Describe the shape of the histogram: - Skewed right Find the mean: (No data to recalculate, assume correct value needs to be calculated from original data source) Find the varianc…
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read the excerpt from \aint i a woman?\ by sojourner truth delivered 18…
# Breve explicación: Las frases "borne thirteen children" (haber dado a luz a trece hijos) y "cried out with my mother's grief" (llamado con el dolor de madre) se usan para mostra…
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describe the shape of the histogram. skewed left skewed right roughly s…
$\mu = 4.23$ $\sigma^{2}=2.03612$ $\sigma\approx1.4269$
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describe the shape of the histogram. skewed left skewed right roughly s…
Shape: Skewed right Mean: Can't be calculated without frequency values Variance: Can't be calculated without frequency values and mean Standard deviation: Can't be calculated with…
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routes between asia, africa, and europe, changing the way the two conti…
Network
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how did the emancipation proclamation change the meaning of the civil w…
The goal of the war changed from saving the Union to saving the Union and eliminating slavery.
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two sets of data are shown. data set a: 30, 38, 42, 42, 43, 47, 51, 51,…
mean, range, standard deviation
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an experiment was conducted that recorded the weight of a new bar of so…
The weight of the new bar of soap was 123 grams.
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sample standard deviation? 22. in a population distribution, a score of…
The mean of the population is $\mu = 60$ and the standard deviation is $\sigma = 10$.
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shoe size would best be used as the explanatory variable, and grade poi…
B. The scatterplot should have no direction, no form, and a weak correlation.
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match up as many words and meanings as you can. check this exercise aga…
1. d 2. f 3. a 4. a 5. h 6. b 7. i 8. j 9. k 10. c 11. g 12. e
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18. for a population with a standard deviation of $sigma = 12$, a score…
100
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what would you expect to see in the scatterplot? a. the scatterplot sho…
A. The scatterplot should have a positive, straight (linear), and moderately strong correlation.
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16. a score that is 10 points above the mean corresponds to a z - score…
$\frac{25}{3}\approx8.33$
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what would you expect to see in the scatterplot? a. the scatterplot sho…
B. The scatterplot should have a positive, straight (linear), and strong correlation.
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suppose you were to collect data for each pair of variables. you want t…
C. Either weight in grams or weight in ounces can be the explanatory value. Then the other will be the response variable, because weight in ounces can be predicted by weight in gr…
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there will usually be a pseudo - french bakery wing pastries that alway…
C. It brings up fond memories of time with family.
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melinda works at a cafe. each day that she works, she records x, the to…
$26$
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2. how does the figurative language in paragraph 7 contribute to the ov…
D. It shows that Zauner's grief is overwhelming.
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the table shows the ages and weights of babies at a hospital. newborn c…
B. positive
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#4 at her new part - time job, emma notices that her coworker, kenji, r…
A. People often interpret behaviors through their own cultural background, which can lead to misunderstandings.
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darius is studying the relationship between mathematics and art. he ask…
y = 1.518x + 0.995
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a deli has 5 open bottles of the same mustard. the graph shows how much…
$1\frac{1}{5}$ cups
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the ____________ of masks increased greatly during the covid - 19 pande…
D. Production
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lydia runs an experiment to determine if a coin is fair by counting the…
50
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rob is investigating the effects of font size on the number of words th…
y = - 41x + 814
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teddy is preparing to sell some wooden blocks at a garage sale. before …
20
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one important source of information we will study in world history are …
D. Narratives
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the most dangerous game part a: read the short story the most dangerous…
1. The setting (isolated island) sets a suspenseful and ominous tone. 2. Rainsford sees hunting as sport, Whitney has empathy; contrast is the literary device. 3. Through mysterio…
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fall 2022 exam 1 chapters 1,4,5,6,7,8,13 table 5 - 2 | price | quantity…
b. 0.9
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devin recorded the number of hours he played a video game, x, and the l…
$3.0$
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suppose a random variable, x, arises from a binomial experiment. suppos…
0: 0.015252 1: 0.087203 2: 0.214022 3: 0.291734 4: 0.242719 5: 0.117271 6: 0.032711 7: 0.003737
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the regression calculator shows the relationship between the hours devi…
5
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3. how does the descriptive language in paragraph 2 contribute to the o…
D. It emphasizes the author’s sentimental feelings toward the place where she grew up.
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national unity as an end which officials may foster by persuasion and e…
Annotation: No words directly cited from another legal document are visible in the provided text. Interpretation: The goal of national unity that officials may seek to promote by …
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1 i never see asters without remembering her—never the haze of their pi…
There is no question provided in the text. Please clarify what the question is, such as asking for a summary, an inference - based answer, or something else related to this text.
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each person in a community was asked, \what is your favorite type of pe…
(a) Cat (b) 30 (c) 15%
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1. i never see asters without remembering her—never the haze of their p…
There is no question provided in the text. Please clarify your question such as asking for a summary, analysis of a particular aspect, or answering the multiple - choice question …
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1. i never see asters without remembering her—never the haze of their p…
There is no question clearly stated in the provided text. Please clarify your question such as asking for a summary, analysis of a character, or something specific about the passa…
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an even better process 56 volunteers: 28 in group a: carrot alpha follo…
Yes, there are potential problems such as unclear randomization process, lack of blinding, and possible non - random number source.
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in a recent phone survey, people were asked to state their favorite typ…
(a) News (b) 30 (c) 5%
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1 i never see asters without remembering her—never the haze of their pi…
There is no question provided in the image. Please clarify what the specific question is regarding this text (e.g., a comprehension - based question, a grammar - related question,…
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question 13 several economics students are unprepared for a surprise tr…
\(\mu = 10.0\) \(\sigma\approx2.24\) usual values = \([6,14]\) no, it would not be unusual
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read this second excerpt from churchills spe based on the text, what ca…
A. Group of spies
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the weights (to the nearest five pounds) of 36 randomly selected male c…
Without specific values from the histogram for mid - points and frequencies, we cannot provide a numerical answer. If we had the values, we would follow the above steps to calcula…
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in one common system for finding a grade - point average, or gpa, a = 4…
$2.77$
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score on last try: 0.3 of 1 pts. see details for more. at least one sco…
$\sigma\approx11.66$ usual values = $[149,196]$
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jordan is mixing water and flour to make tortillas. the equation $w = \…
For every 1 cup of flour, $\frac{3}{4}$ cup of water is needed.
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56 volunteers: 28 in group a: carrot alpha followed by carrot beta 28 i…
Ignore the second occurrence of 12 and continue generating non - repeated numbers between 1 and 56 for assignment.
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read the selection and choose the best answer to each question. in this…
It shows Reverdy's appreciation of attention.
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read the selection and choose the best answer to each question. in this…
Clare is pained by the memory of her sister.
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dividing up the groups 56 volunteers: 28 in group a: carrot alpha follo…
Ignore the 76 and put student 12 in the first group.
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why randomize? 56 volunteers: 28 in group a: carrot alpha followed by c…
A. Break them into pairs and look for numbers from 01 to 56.
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assume that a procedure yields a binomial distribution with n = 821 tri…
$\mu = 172.4$ $\sigma\approx11.67$ usual values = $[149,196]$
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use the display of data items to find the mean, median, mode, and mid -…
59.8
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choose the correct answer. which button can be used to find other words…
A. Thesaurus
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ic 25 - 26 american literature 1 make it new!: early modernism excerpt …
She does not trust Mr. Brympton.
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a citys temperature at various times on a given day is shown in the gra…
2.5 degrees F per hour. The temperature increased an average of 2.5 degrees per hour.
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choose the correct answer. excel does not provide a thesaurus tool, wit…
A. False
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question 5 of 20 in which country does nodding the head up and down mea…
A. Bulgaria
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a study was conducted to determine whether there were significant diffe…
1. Probability that at least 10 graduated: $0.8234$ 2. Probability that exactly 8 graduated: $0.0407$ 3. Is it unusual to get exactly 8? yes, it is unusual 4. Probability that at …