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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algebra 1 unit 1: end - of - unit assessment directions: show all your …
a. |minimum|Q1|median|Q3|maximum| |--|--|--|--|--| |6|7|13|16|30| c. \(IQR = 9\) d. Yes, 30 is an outlier because it is greater than the upper - fence of \(29.5\) (where the upper…
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every year somerville has a citywide relay and reports the winning time…
between 2014 and 2015
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in the data set below, what is the interquartile range? 16 24 51 62 78 …
54
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the word \genre\ means an ability to \generalize about all human beings…
False D. Aristophanes
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in the data set below, what is the interquartile range? 2 4 4 7 9
5
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in the data set below, what is the interquartile range? 42 42 68 72 98
30
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provide an appropriate response. use the standard normal table to find …
B. 1.33
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in the data set below, what is the interquartile range? 1 1 5 5 6 7 7
6
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provide an appropriate response. use the standard normal table to find …
C. 0.0918
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provide an appropriate response. use the standard normal table to find …
A. 0.8944
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find the area under the standard normal curve between z = 1.5 and z = 2…
C. 0.0606
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in the data set below, what is the interquartile range? 2 4 5 7 7 8 8
3
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a diner kept track of the types of omelets sold in the last hour. omele…
$\frac{9}{17}$
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use a standard normal table to find the z - score that corresponds to t…
B. - 1.645
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in the data set below, what is the interquartile range? 30 44 58 67 87
33
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determine whether the graph can represent a normal curve. if it cannot,…
B. The graph cannot represent a normal density function because it is not symmetric.
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in the data set below, what is the interquartile range? 17 29 37 50 60 …
43
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provide an appropriate response. use the standard normal table to find …
B. 0.1151
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algebra 1 unit 1: end - of - unit assessment the chess club at a school…
| minimum | Q1 | median | Q3 | maximum | | ---- | ---- | ---- | ---- | ---- | | 6 | 7 | 13 | 16 | 30 |
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in the data set below, what is the lower quartile? 21 31 55 62 62
26
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in the data set below, what is the upper quartile? 18 19 38 69 73 75 77…
76
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use the standard normal distribution to find p(-2.25 < z < 0). click he…
A. 0.4878
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in the data set below, what is the upper quartile? 1 3 3 5 6 6 8
6
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in the data set below, what is the lower quartile? 1 2 2 4 7 7 8
2
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33. which is an example of earned income subject to income tax? a. lott…
33. B. Wages from a job 34. B. A fixed yearly amount of pay regardless of hours worked 35. D. for a retirement plan 36. C. 40 hours in a week 37. B. It depends on a "double coinci…
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a tire company finds the lifespan for one brand of its tires is normall…
D. 39,220
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assume that the random variable x is normally distributed, with mean μ …
0.2119
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b. actividades de emilia y su familia. using the appropriate verb from …
## B. 1. estudia 2. hablan 3. escuchamos 4. practican 5. toman 6. miro ## C. 1. tienes; sed 2. tengo; frío 3. tiene; sueño 4. tenemos; miedo ## D. 1. muchas; chicas inteligentes 2…
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an interlopers by saki saki (1870 - 1916) wrote under the pen name saki…
C. disputes
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find the z - score that has 84.85% of the distributions area to its rig…
A. - 1.03
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what does the term \mandate\ mean in terms of civil rights and libertie…
a requirement
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provide an appropriate response. use the standard normal table to find …
B. 0.1844
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provide an appropriate response. use the standard normal table to find …
B. 0.09%
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find the area under the standard normal curve to the right of z = - 1.2…
D. 0.8944
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a decision maker subjectively assigned the following probabilities to t…
No, because the sum of the probabilities of all possible outcomes ($0.85$) is not equal to 1.
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provide an appropriate response. use the standard normal table to find …
D. 0.54
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find the area of the indicated region under the standard normal curve. …
C. 0.1504
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for the standard normal curve, find the z - score that corresponds to t…
B. 0.67
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find the probability of z occurring in the indicated region. click here…
B. 0.0401
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the scores on a mathematics exam have a mean of 69 and a standard devia…
C. 52.7
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for the standard normal curve, find the z - score that corresponds to t…
D. 1.28
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find the z - score for which 70% of the distributions area lies to its …
A. - 0.53
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question 4 of 6 what does \pay yourself first\ mean? select a response.…
Put money in your savings account before you pay other expenses
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4 multiple choice 1 point what does upside down mean in reference to ca…
It means a person owes more on a car than it is worth.
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question 5 which of the following centerline pavement markings means th…
A. a double solid yellow line
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linear equations w/ distribution (lev 2) question solve for x. −3(−2x−2…
x = 5
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question 29 (3 points) if a data set is normally distributed with a mea…
(Question 29) A. -2.00 (Question 30) A. The confidence interval is 500 ± 5.48. Therefore, we are 99% confident that the true mean weight of the boxes is between 494.52 grams and 5…
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linear equations w/ distribution (lev 2) question solve for x. 4(−2x−4)…
$x=-2$
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linear equations w/ distribution (lev 1) question solve. 9(y - 8)=18 an…
$10$
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linear equations w/ distribution (lev 1) question solve. 5(y + 3)=35 an…
$4$
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question 23 (3 points) the following graph, made by the manager of the …
Question 23: The graph is missing the scale on the y - axis, making it unclear as to how much higher the free throw percentage is for one player than for another. Question 24: \(1…
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4 types of context clues a. definition: the author states the meaning e…
D. Inference
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which of the following statements is true regarding vehicles that park …
B. Drivers of these vehicles are subject to a fine and the cost of towing the vehicle from the reserved parking spot.
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a study done on a marriage - counseling course showed that the proporti…
$H_0:p = 0.79$ $H_1:p<0.79$
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to adapt something means to it. change duplicate examine write
change
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question 11 (3 points) estimate the amount of error in a calculation th…
(Step 1) 34 (Step 2) length (Step 3) 4 (Step 4) 4 (Step 5 - Maximum Area) 17340 (Step 5 - Error) 3840
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chapter 2 quiz: which statement is incorrect? multiple choice nonrepres…
Form describes representational art that accommodates a set of conventions for portraying the world.
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read the excerpt from act i scene v of romeo and juliet. romeo: o, she …
It captures the original meaning but not the tone.
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one way to discover tone is to study a texts, or the feelings associate…
connotations
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the mean height of a certain kind of plant is 125 centimeters. suppose …
$H_0:\mu = 125$ $H_1:\mu eq125$
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read the excerpt from act i, scene v of romeo and juliet. romeo so show…
She's so beautiful that she stands out from that crowd.
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find the mean of the data in the dot plot below. blank jokers jokers in…
1.6
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you might need: calculator find the mean of the data in the dot plot be…
\(\frac{5}{3}\)
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3. when testing the hypothesis that the variances of two independent no…
3. B. F test statistic 4. A. We reject H0 if it is True 5. B. The sample mean, the sample variance, and the sample standard deviation
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what does \pan - indianism\ promote? hint: \pan\ means \all.\ adoption …
# Breve explicación: El pan - indianismo busca la unidad y solidaridad entre todas las tribus nativas estadounidenses, enfatizando lo que comparten en lugar de lo que los separa. …
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in a recent year, state a had the greatest median age and state b had t…
$0.683m$
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1. consider a hypothesis where h0 states μ = 24 against h1 where μ ≠ 24…
Two - tailed 2.
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excerpt from gullivers travels by jonathan swift. i heard a confused no…
Most Important Details: - I perceived it to be a human creature, not six inches high... - I felt at least forty more of the same kind... - I was in the utmost astonishment, and ro…
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find the mean of the data in the pictograph below. pieces of stinky che…
$3.25$
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find the mean of the data in the pictograph below. each piece of stinky…
2.75
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you might need: calculator the gabrielsons ran a family relay race. the…
6
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the following table shows the number of lemons that grew on marys lemon…
13
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justin did push - ups every weekday this week. he did 8 push - ups on m…
$10.8$
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27. when gregor hears his family discussing their belief that he no lon…
27. a. is heart - broken 28. b. they declare they are leaving and not paying any rent. 29. a. individuals choose how they react to what life deals them. 30. c. that he will be lat…
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you might need: calculator the following table shows the number of alli…
7
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1. the small island nation operates as a, where the central government …
1. Unitary System 2. Federalist System
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friday, sept. 26 say every adult in the united states purchased just on…
1. To become known or appear as the winner. 2. The mention of a winner and the pot growing larger if no winner exists.
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a random sample of 250 bolts from machine a contained 17 defective bolt…
Lower limit: -0.064 Upper limit: 0.020
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breaking down the constitution notes guide directions: part 1 use the s…
- **Constitución**: Documento que crea el gobierno. - **Preámbulo**: Introduce la Constitución. - **Artículo**: Sección importante de la Constitución. - **Rama**: División del gob…
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which best describes dramatic irony? a character says the opposite of w…
An audience knows more about a situation than the characters involved.
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question 14 of 20. in a group discussion, which option is most clearly …
A. What do you mean when you say the author is unprofessional?
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prepositional phrase: a group of two or more words that starts with a p…
Everything in the store went on sale. At first it took a long time but, then it got easier. Write your ideas down on paper. We stayed inside, tired of the cold weather. Our bags p…
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which statements about literary motifs are true? select four responses.…
They appear repeatedly in texts. They help develop themes. They reveal meaning in the text. They influence the mood of the work.
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a theater is selling tickets to a play. adult tickets cost $8 each and …
It means that 30 adult tickets and 7 children's tickets were sold.
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a theater is selling tickets to a play. adult tickets cost $8 each and …
It means that 30 adult tickets and 7 children's tickets were sold and they collected a total of 275 dollars.
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what is the meaning of the word bycatch in paragraph 5 of the passage? …
B. unwanted fish
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the box plots show the data distributions for the number of laps two st…
The difference between the medians of both data sets is 2
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a research study was conducted to measure the time students focus on a …
1. The median attention span of college students is greater than the median attention span of high - school students. 2. The interquartile range of attention spans of college stud…
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two histograms showing the number of pets owned by boys and girls in a …
D. interquartile range
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the box plots show the distributions of the numbers of words per line i…
The median is the best measure because both distributions are left - skewed.
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the table shows the growth, in centimeters, of plants in two different …
Soil B had greater growth because its data have a greater median.
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what does harjo mean when she says, “sometimes i feel that i write as a…
B. Harjo uses words like paint on canvas to express her thoughts and ideas.
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read the excerpt from \daughter of invention\. \maybe not. maybe, just …
Slow and steady wins the race.
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yael is writing an essay about the development of folk tales. read the …
Yael gives details in chronological order, which supports her central idea by showing development.
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show all your work. indicate clearly the methods you use, because you w…
(a) The z - score for a bird in the northern region is $z_{north}=1$ and for a bird in the southern region is $z_{south}=-1.2$. (b) It is more likely that a bird of this type with…
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read the excerpt from does my head look big in this? by randa abdel - f…
The narrator's frustration helps readers understand what it is like to be a teenager.
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what is the definition of situational irony? a situation in which an au…
C. a situation in which what happens is the opposite of what was expected to happen
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read the excerpt from animal farm and the passage on the history of the…
B. Napoleon wants to make the farm an industrial power, just as Stalin wanted to make the Soviet Union an industrial power no matter the sacrifices.
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president roosevelt called december 7, 1941, \a date which will live in…
B. dishonor
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the box plot shows the statistics for the weight, in pounds, of some do…
No, there are no outliers. All of the data values are close together.