統計と確率
データ分析、確率分布、仮説検定、統計手法。
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height (in.) 30 46 49 63 67 73 arm span (in.) 27 45 47 63 69 71 1. labe…
1. - \(Height\ (in.)\) is the \(x\) - axis label. - \(Arm\ Span\ (in.)\) is the \(y\) - axis label. 2. The ordered pair \((30,27)\) is found in the scatter - plot.
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pick all of the statistical questions. how long is a typical movie? whi…
How long is a typical movie?; How much do movies cost to make?
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the night - blooming cereus \can you believe were finally here?\ said m…
You often value an experience more when it is rare and short - lived.
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the new orleans museum of art in new orleans, louisiana, has a large nu…
B. "I zoomed in on The Good Shepherd on my computer. I saw shades and swirls of color that I hadn't been able to see when I visited at the piece in the museum."
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26 we will try to do this hike differently because it mig be fun to ___…
- For the first question: deviate - For the second question: bad luck, a lot of difficulties, having troubles often, a lifetime of disasters
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2. a survey of 866 voters in one state reveals that 47.1% of them favor…
\((0.471 - 0.033,0.471+ 0.033)\)
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which line from *minnesota summer* describes the setting? kelsey leave …
TASHA (Tasha runs from one side of yard to another ) Daddy, look how big this yard is. It's big enough for a dog. It's big enough for TWO dogs!
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a movie theater is keeping data on the number of tickets sold and the p…
The third scatter - plot (with \(y\) - axis labeled "Tickets Sold" and \(x\) - axis labeled "Ticket Price") is correctly labeled.
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a movie theater is keeping data on the number of tickets sold and the p…
The first scatter - plot.
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select the quotation from the story that most strongly suggests that th…
"I had an important presentation at work that morning, but I was late to my meeting because I needed to change clothes," his mom said.
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the prank asher and his mom were always joking around. they would impro…
Just because you find something funny doesn't mean others will.
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the infinitive préparer becomes préparé in the passé composé. what does…
D. prepared
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20 select all answers that give either an example of or the meaning of …
- **Question 20**: public parks for the enjoyment of everyone, groceries that can be used by all my roommates - **Question 23**: sedentary
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the infinitive regarder becomes regardé in the passé composé. what does…
B. watched
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according to the registrars office, the overall gpa of students at a co…
The estimated mean GPA of all students is $2.88$. The 90% confidence interval for the true mean is $(2.801,2.959)$
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multiple choice 1 point in an absolute monarchy, who has the sovereignt…
The monarch (King or Queen)
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2. for a sample of 25 marathon runners the daily intake of calories was…
The critical value is \(2.064\) and the \(95\%\) confidence interval is \((87.11,92.89)\)
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9 if you are a skeptic, you: can predict things that will happen in the…
- **Question 9**: Are not convinced by ideas that others believe are true - **Question 12**: a welcoming greeting, warmhearted, a friendly atmosphere
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name date period practice for exercise 1, use the balanced scale shown.…
1. The weight of a diamond is \(\frac{59}{24}\approx2.46\). 2. \(x=-11.8\). 3. \(x = 7\). 4. \(x = 20.9\). 5. A number is a solution of a linear equation if when we substitute tha…
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suppose you are interested in whether or not the students at your high …
B. Assign each student at the school a number, write each number on a card, and place all of the cards in a box. Then, randomly select 100 cards.
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use this dictionary entry to answer the question. ist-(suffix): one who…
C. a person who is an authority on a specific subject
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2 matching correlation coefficients 1. take turns with your partner to …
\( A:r = 1\), \( B:r = 0.65\), \( C:r=-0.95\), \( D:r=-0.06\), \( E:r = 0.48\), \( F:r=-0.74\)
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question 9 the personnel office at a large electronics firm regularly s…
a) \(0.2375\) b) \(0.0161\)
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identify the independent and dependent variables of these data sets: 1)…
- **Independent**: year, height, laps - **Dependent**: number of girls, shoe size, calories burned
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2 matching correlation coefficients 1. take turns with your partner to …
A corresponds to \(r = 0.9\) and B corresponds to \(r = 0.65\)
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\today our teacher kept mentioning that we should avoid empty phrases. …
First question: An empty phrase is one that doesn’t add to the meaning of a sentence. Second question: Van and Rachel are waiting for people to respond to their wedding invitation…
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2 matching correlation coefficients 1. take turns with your partner to …
A. \(r = - 0.95\); B. \(r=-0.48\)
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given that x is a normal variable with a mean μ = 110 and standard devi…
a) \(0.7967\) b) \(0.9938\) c) \(0.7905\)
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what is the pattern displayed in the scatterplot between the number of …
As air temperature increased, hot tea sales decreased.
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\i finished my second draft and now im ready to check for sentence vari…
- First question: Try reading your writing out loud. If the variety doesn't work, you'll hear it. - Second question: Try varying the structure of your sentences. They all start th…
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question 7 consider a binomial trial with n = 8 trials where the probab…
a) \(0.254\) b) \(0.806\) c) \(0.194\)
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a teacher assigns 10 questions for homework and wants to randomly pick …
\(6,0,3\)
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which detail from \at school\ supports the central idea that foreign - …
They were simply placed in regular classes with much younger American - born children.
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the president of the student council wants to survey the student popula…
No, because she did not mix the pieces of paper in the hat before selecting the sample.
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if you combined all the lemon juice from the days they squeezed exactly…
\(27\)
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a greenhouse owner wants to test the effectiveness of a new fertilizer …
01 - 60
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when people are discharged from a hospital, they are surveyed about the…
No, because each person is asked to fill out the survey, so this is not a sample.
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a school cafeteria wants to survey a random sample of 50 students about…
This is a random sample, but it is not a simple random sample.
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the owner of a greenhouse wants to test the effectiveness of a new fert…
\(06,33,03,49,02\)
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a hotel rewards club wants to randomly select 100 of its 5,000 members …
No, because each sample of 100 does not have the same chance of being selected.
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several members of a running club would like to survey the rest of the …
Write each member’s name on an equal - sized slip of paper. Place the slips of paper in a bag and shake. Draw 10 slips of paper and survey the members selected.
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the ceo of a company wants to determine if taking the employees to a co…
3
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how much taller is the tallest plant than the shortest plant? write you…
\( \frac{1}{2} \)
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the ceo of a company wants to determine if taking the employees to a co…
009, 040, 032
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question 29 (1 point) if a drawing is \drawn to scale\, what does that …
- Question 29: It is proportional - Question 30: Technical Director
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question 6 calculate ( c _ { 8 } ^ { 3 } ) add your answer integer, dec…
\(56\)
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question 22 (1 point) what is the property of light that includes flash…
Question 22: B. Movement Question 23: D. Costume List
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question 2 you have a pile of m&ms, of which 15 are yellow. a) consider…
a) Dependent b) \(0.112\)
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read the excerpt from the riddle of the rosetta stone. because of this …
Giblin believes Young made valuable contributions to future researchers' attempts to decipher the hieroglyphs.
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question 4 consider the roll of 2 fair 6 - sided dice. a) are the outco…
a) Independent b) \(\frac{1}{6}\) c) \(\frac{1}{18}\) d) \(\frac{2}{9}\)
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after a spelling bee, some students compared how many words they spelle…
30
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in 2017, allegheny county reported 12,958 babies born. a local pediatri…
B. \(3,240\)
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criminal law defenses: criminal capacity to be convicted of a crime, a …
Yes, there should be defenses for children, insane people, and those intoxicated at the time of a crime. Children lack the maturity and cognitive ability to fully understand the c…
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in 2017, allegheny county reported 12,958 babies born. a local pediatri…
A. 1,080
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- / 4 points the following table shows the projected population of adul…
a. Approximately $0.0267$ million adults ages 18 - 19 per year. b. The five - year period is 2010 - 2015. The average annual rate of change is $- 0.1$ million adults ages 18 - 19 …
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scientist say 63% of all babies have brown eyes when they are born and …
C. 8,164
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5. -/2 pointsthe following table shows the past and projected populatio…
(a) $-2.13$ million people per year (b) $-1.30$ million people per year
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criminal law defenses: criminal capacity to be convicted of a crime, a …
Yes, there should be a defense to criminal liability for children as they lack full capacity. For insane people (if they meet the insanity defense standards like not knowing right…
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the following table shows buying power of a worker earning the federal …
-2.50 cents per year
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multiple choice rikku has 2 black t - shirts, 1 white t - shirt, and 3 …
The odds are \(5:7\)
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the graph shows the relationship between mass of hamster food and the n…
C. Gabin's hamster eats 30 grams of food a day.
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multiple choice kairi has a jewelry box with 6 white pearls, 2 silver r…
\(6:7\)
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this assignment is to be completed in class; remote completion will not…
A. 0.2
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question 9 0.5 pts according to a study by dr. john mcdougall of his li…
C. \(\frac{5}{9}\)
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consider the following experiment. you are one of 100 people enlisted t…
C. Both a and b are correct
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this assignment is to be completed in class; remote completion will not…
A. \(X - U(0.5,9.5)\)
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this assignment is to be completed in class; remote completion will not…
B. Continuous
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let ( p(x) ) = the probability that a student will study ballet ( x ) y…
For \(x = 1\), \(x*P(x)=0.10\); for \(x = 2\), \(x*P(x)=0.10\); for \(x = 3\), \(x*P(x)=0.30\); \(P(4) = 0.15\), \(x*P(x)=0.60\) (already shown in the second - table for \(x = 4\)…
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is the following table correct? x p(x) x*p(x) 1 0.10 0.10 2 0.05 0.10 3…
A. Yes
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a ballet instructor is interested in knowing what percent of each years…
The completed table should have \(P(4) = 0.15\) and the \(x\cdot P(x)\) values as \(0.10\) (for \(x = 1\)), \(0.10\) (for \(x = 2\)), \(0.30\) (for \(x = 3\)), \(0.60\) (for \(x =…
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a physics professor wants to know what percent of physics majors will s…
The second option \(0.38 + 0.30+0.15=0.83\) (but if we assume the options are presented as: if the second option is \(0.38+0.30 + 0.15\) (even if the sum was written as \(0.70\) b…
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francisco has a part - time job at an ice skating rink selling hot coco…
\(1\)
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complete the expected value table. 0 0.2 1 0.2 2 0.4 3 0.2 a. 0, 0.02, …
B. \(0,0.2,0.8,0.6\)
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question 2 0.5 pts javier volunteers in community events each month. he…
C. \(0.05 + 0.05 + 0.10 = 0.20\)
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a baker is deciding how many batches of muffins to make to sell in his …
A. 0.15
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read the passage from sugar changed the world no one interviewed the af…
B. "They were not just labor, not just bodies born to work and die."
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read this excerpt from chapter 1 of the scarlet letter using comprehens…
The prison and cemetery were built early, with the cemetery expanding in size from its original plot.
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matt and brian were solving a system of equations. they both noticed th…
C. Matt is correct. Though two lines with equal slopes are often parallel, if they have the same \(y\) - intercept, they are the same line and have infinitely many solutions.
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the following text is from charles dickenss 1851 novel great expectatio…
C. Followed
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read the sentence sami especially enjoyed the brownies, which were chew…
It is a relative clause describing the qualities of the brownies.
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read the excerpt from \children of the drug wars.\ he also asked congre…
words with strong connotations
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the following text is from jhumpa lahiris 2003 novel the namesake. gogo…
C. Walk
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khalils math teacher plots student grades on their weekly quizzes again…
\(3.9\)
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read the sentence. the shopkeeper smiled at david as if he were just te…
C. belittling, D. uncomplimentary
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a researcher studied the relationship between the number of times a cer…
\(2.6\)
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read the passage from sugar changed the world. gandhi began to see that…
The evidence shows how Gandhi experimented with ways to assert one's dignity and be free.
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all of the following are effective strategies. what step or strategy wo…
All of the options (I would ask myself if the passage made sense, I would figure out where I lost track, I would reread the passage, I would use context to find word meanings, I w…
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anna has to milk the cows. anna has to feed the chickens. she enjoys li…
Although Anna has to milk the cows and feed the chickens, she enjoys living on a farm.
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if freedman had eyelids, he would have blinked his eyes in disbelief. a…
D. end of slavery
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read the passage from sugar changed the world. starting around 1800, su…
The authors include details about the changes in diets over time to inform readers about how sugar has transformed what we eat.
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a words denotation is its literal meaning. its figurative meaning. any …
its literal meaning.
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alma plans to visit london and paris, where her parents went on their f…
It is a non - restrictive relative clause because it begins with a relative pronoun, has both a subject and a verb, and is not necessary to the meaning of the sentence.
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read the two excerpts from roosevelts \four freedoms\ speech. i have ca…
national support for the war will lead to victory.
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read the passage from sugar changed the world. he could not interview t…
"They were not just labor, not just bodies born to work and die."
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read the passage from sugar changed the world. the end of slavery was a…
Gladstone asked the shipping company to provide workers.
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question 20 of 30 which is an example of semantic memory? a. rememberin…
A. Remembering something that has meaning for you
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a mathematics teacher wanted to see the correlation between test scores…
Linear regression equation: \(y = 1.2x - 22.8\). Estimated homework grade for \(y = 42\) is \(54\).
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read ahmads argument in favor of changing the minimum driving age from …
It is illogical because it relies on faulty reasoning.
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the scatterplot illustrates the relationship between two quantitative v…
The expected yield of a crop is low whenever the number of seeds planted per square foot is small or large. A larger yield is expected when the number of seeds per square foot is …
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read the sentence. gregor watched, assessing how sasha reacted to his n…
It is a noun clause indicating what Gregor was observing.