統計與機率
資料分析、機率分佈、假設檢定與統計方法。
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find the class boundaries. class limits\tclass boundaries 8 - 10 11 - 1…
7.5 - 10.5 10.5 - 13.5 13.5 - 16.5 16.5 - 19.5 19.5 - 22.5 22.5 - 25.5
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mexico overview: continent: population: world rank (population): capita…
Overview: Continent: North America Population: (varies over time, check latest data) World rank (population): (varies over time, check latest data) Capital: Mexico City Largest Ci…
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find the median and mean of the data set below 12, 38, 13, 44, 18
Median: $18$, Mean: $25$
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what is balance? two sides are different but visually weighted equally.…
The distribution of visual weight in an artwork.
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two sides are the same. are different but visually lighted equally. wha…
Balance in art refers to the distribution of visual weight in an artwork. It can be symmetrical (two sides are the same) or asymmetrical (different but visually weighted equally),…
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use the information shown in the graph. the graph represents a survey o…
40
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a. match words from the first column with words from the second to crea…
A. 1. d. hot (icy - hot is a common oxymoron) 2. b. sweet (bitter - sweet) 3. e. shrimp (jumbo shrimp is an oxymoron as "jumbo" means large and "shrimp" is small in common percept…
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the graph gives the areas of various college campuses in acres. source:…
4500
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2. the students in a class collected data on the number of minutes some…
4
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defining oxymorons the complete meaning of an oxymoron is compacted int…
1. A working vacation is a vacation during which one still engages in work - related activities. 2. To act normally means to behave in a natural way while performing. 3. A definit…
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the graph gives the areas of various college campuses in acres. source:…
500
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according to the preface, which are specific questions that would be mo…
E. But what really is the evidence and how good is it?
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name: show work neatly. answer word problems in complete sentences. hig…
The probability that Lena gets a hit is $\frac{3}{7}$.
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read this paragraph: because they come from a business background, exec…
B. Companies tend to marginalize their products and services.
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guide 1. what was manifest destiny and how did it shape westward expans…
1. Manifest Destiny was the belief that the U.S. was destined to expand across the continent, fueling westward expansion. 2. The Homestead Act offered public land to settlers who …
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1 - 57. joyces dad packs her lunch and always packs a yogurt. joyce kno…
The probability of finding a vanilla yogurt in her lunch bag is 0.2 or 20%.
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in a raisin in the sun, what does the concept of home most likely mean …
B. The walls that surround her
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1-59. write “theoretical” or “experimental” to describe the probabiliti…
a. Theoretical b. Experimental c. Experimental
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write two to three sentences explaining how the secrecy of romeo and ju…
The secrecy of Romeo and Juliet's marriage means Juliet cannot openly share her marital happiness with her parents. Her parents, unaware of her marriage, plan her wedding to Paris…
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unit 3 vocab copyright (c) 2012 classhelper.org. across clues 1. meanin…
1. Bicameral 2. Majority Leader 3. Private Bill 4. Joint Committee 5. Filibuster 6. Constituent 7. Resolution 8. Apportionment 9. Sub - committee 10. Conference Committee 11. Veto…
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2.122 largest and smallest standard deviation using only the whole numb…
(a) $\{4,4,5,5,6,6\}$ (b) $\{1,1,1,9,9,9\}$
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pupils per teacher the average number of pupils per teacher in certain …
3
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normal distribution - equivalent scores score: 2/5 penalty: 1 off quest…
775
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3 select the correct answer. state governments have a ______ form of go…
B. unitary
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normal distribution - equivalent scores score: 1/5 penalty: 1 off quest…
644
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what is a \false cognate\? a word that sounds the same and means the sa…
A word that sounds the same or almost the same but means something different.
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normal distribution - equivalent scores score: 0/5 penalty: 1 off quest…
155
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what does the word \cognates\ mean? words that sound the same but mean …
Words that sound the same or almost the same in two languages and mean the same thing.
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a survey was given to a random sample of 1650 voters in the united stat…
$2.4$
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margin of error for proportions score: 3/5 penalty: 1 off question a su…
$0.067$
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what is a bureaucracy? a. non - elected government officials who have p…
A. Non - elected government officials who have policy - making authority
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margin of error for proportions score: 2/5 penalty: 1 off question a su…
$7.3$
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question a survey was given to a random sample of 1000 residents of a t…
3.1%
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margin of error for proportions score: 0/5 penalty: 1 off question a su…
3.8%
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margin of error - general score: 9/10 penalty: 1 off question a study b…
$21$
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math prompt 28 55. virgina has five paychecks totaling $456.72, $504.56…
$498.354$
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a survey was given to a random sample of the residents of a town to det…
60%
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practice telling time by completing these sentences. the first item has…
1. una 2. menos diez 3. cuarto 4. media 5. mañana 6. mediodía 7. mañana 8. tarde 9. medianoche 10. cuarto 11. dos y cuarto 12. veinticinco
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question a survey was given to a random sample of the residents of a to…
81.2%
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which prefix is not matched correctly to its meaning? dys: bad, painful…
Hyper: deficient, decreased
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score: 1/10 penalty: 1 off question a study was commissioned to find th…
184.9
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a study was commissioned to find the mean weight of the residents in a …
198.3
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select the correct statement. prefixes are always placed at the beginni…
Prefixes are always placed at the beginning of a term.
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which suffix means \visual examination\? -scopy -plasty -graphy -megaly
A. -scopy
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why would christians be willing to compromise god’s word by rejecting a…
Some Christians may reconcile faith with science or see symbolic meaning.
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the line plot shows the weights (nearest hundred pounds) of municipal w…
(a) 900 (b) 800
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which prefix means \excessive or increased\? inter- micro- hypo- hyper-
D. hyper-
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the following combining form means ear. orchid/o oophor/o ophthalm/o ot…
D. ot/o
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read the excerpt from sinners in the hands of an angry god. there will …
C. perfect
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but not everyone was happy with the change, because it meant a later di…
1. a later dismissal 2. jobs 3. babysit younger siblings
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how is a pareto chart different from a standard vertical bar graph? cho…
A. The bars are positioned in order of decreasing height with the tallest bar on the left.
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what is an advantage of using a stem - and - leaf plot instead of a his…
A. Stem - and - leaf plots contain original data values where histograms do not.
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4. (9) in a school with 300 people there is a finite math and chemistry…
(a) 40 (b) 10 (c) 60
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to begin, note merriam - websters use of the phrase \difficult to contr…
Rate of reproduction is not the only trait that can make an animal difficult to control.
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question 3 5 pts what is the best meaning of unified as used in this se…
Each paragraph flows into the next one smoothly and on topic.
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about her late husband, henry; and how the life insurance had paid the …
Fantasy details: Galaad's mother being flighty and a bit of a witch, grandfather King Pelles being well - meaning but vague, father "Le Chevalier Mal Fet" (Lancelot in disguise an…
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1 people say that you are \plugged in.\ what does that mean? you have a…
D. You like technology.
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there are six times as many whitetail deer as mule deer in the woods. i…
Let the number of mule - deer be \(x\), then the number of whitetail deer is \(6x\). The total number of deer is \(x + 6x=7x\). The probability of getting a mule - deer is \(\frac…
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select the correct answer. which number is an irrational number? a. $sq…
None of the above (assuming no error in the problem - if $\sqrt{16}$ was meant to be $\sqrt{17}$ etc. then it could change).
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type the correct answer in each box. use numerals instead of words. if …
The probability of rolling a five is \( \frac{1}{6} \) The probability of flipping the coin and it landing on heads is \( \frac{1}{2} \) The probability of rolling a five and land…
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type the correct answer in each box. use numerals instead of words. if …
| | Have Dogs | Don't Have Dogs | Total | |--|--|--|--| | Have Cats | 15 | 7 | 22 | | Don't Have Cats | 10 | 8 | 18 | | Total | 25 | 15 | 40 |
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in addition to the financial impacts of the penny, we should consider t…
There is no reason to believe that eliminating the penny would lead to the elimination of other currency that features Lincoln.
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on average, it takes a shoe factory 21 minutes, with a standard - devia…
C. It takes the factory more than 27 minutes to manufacture a pair of running shoes about 2.3% of the time.
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multiple - choice question are the two events - playing soccer and play…
No - you can have a student who plays both soccer and tennis.
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the most common reason given for eliminating the penny is that the coin…
None of the given options are correct.
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true or false: we subtract the probability of p (a and b) in the formul…
True
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multiple - choice question if two events are not mutually exclusive, th…
They CAN both happen at the same time
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how does each poets use of figurative language contribute to the overal…
A. Wheatley’s use of hyperbole accentuates her gratitude for God’s creation; Bradstreet’s use of metaphor shows how she cares about her writing.
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true or false: the probability rule p (a or b) = p(a) + p(b) only works…
True
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but they have cast you out like lepers. it is against the will of god, …
sharp ridicule
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the test scores for last weeks history test were: 76, 100, 94, 90, 68, …
D. The mean and the median get further apart
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a sample of five words was randomly selected from a 200 - page book. th…
D. 4.49 letters
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29. make sense and persevere the graph shows a jumpers height, y, in fe…
a. x - intercepts: \(x = 0,0.5,1,1.5,2,2.5\) (jumper on trampoline surface); y - intercept: \(y = 0\) (initial height on trampoline). b. Positive intervals: \((0,0.5)\), \((1,1.5)…
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read the quotation from \a hymn to the evening\. \so may our breasts wi…
A. by working together to form an important idea
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the dot - plots represent the cost of first - year college tuitions for…
B. I and III
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fill in the blanks with the percentage of the area under the normal cur…
From left - to - right: 0.15%, 2.35%, 13.5%, 34%, 34%, 13.5%, 2.35%, 0.15%
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the scores of a national standardized test have a normal distribution. …
84%
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how does the poet structure lines 16 - 30 to add meaning to the events …
The poet uses a metaphor in the flashback that compares the bird's struggle to the daughter's struggle as a writer and in life in order to emphasize the need for both of them to p…
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3) a student studying the sleeping habits of seniors at his school aske…
a) Mean: $7.25$, Median: $7.25$ b) Five - number summary: Minimum = $5$, $Q_1 = 6.5$, Median = $7.25$, $Q_3 = 8$, Maximum = $9$ c) No outliers. The lower fence is $4.25$ and the u…
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each person in a group of friends counted the number of books they read…
Annabelle: - 3.71 Bianca: - 4.86 Catherine: 2.29 Delaney: 0
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which paragraph from \april showers\ demonstrates the contrast between …
B. "Theodora choked. 'Father, I'll -' She groped for words, but they eluded her. 'I'll do things - differently; I haven't meant -' Suddenly she heard herself bursting out: 'It was…
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a student took both the sat and the act, and wants to send the stronger…
He should send the ACT score to colleges because comparing the two z - score indicates that it is closer to the mean.
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which of these is an example of a random sample? a. customers buying a …
B. A phone survey is conducted using twenty names randomly taken from the phone book.
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2) when drilling for oil wells, researchers have to take into account h…
To describe the center, the mean can be used. To describe the spread, the standard deviation can be used. Justification: The distribution appears relatively symmetric from the dot…
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the value of the \shop local\ movement is evidenced by its unexpected s…
Support for an initiative by a well - known entity does not mean the initiative is justified.
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a) what measures would you use to describe the center and spread of the…
To describe the center, the median. To describe the spread, the inter - quartile range (IQR). Justification: The data has outliers, and the median and IQR are more robust to outli…
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a) the graph below shows the time andrea spent reading one day. write a…
The number of pages Andrea read generally increases with the amount of time she spends reading. There are intervals where the number of pages remains the same, suggesting breaks i…
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a school principal wants to determine which subject the 800 students in…
C. A selection of 80 students in the school
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which phrase has the same meaning as 12y - 2? a. subtract the sum of 12…
D. Subtract 2 from the product of 12 and y.
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e) using rule #1, are there any outliers in the southsides distribution…
a) To describe the center, the median is a better measure because the data may be skewed (due to the presence of larger values like 157). To describe the spread, the inter - quart…
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using rule #1, are there any outliers in the wendys distribution? show …
Southside
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so, why dont more people shop locally, supporting small businesses in t…
It introduces information that supports an opposing claim.
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d) in your town, mcdonalds and burger king are on the northside and wen…
Southside
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fill in the blanks in the table below. | class limits | class boundarie…
19-23, 24-28, 29-33, 34-38, 39-43, 44-48, 49-53
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question 17 of 20 a reward or benefit meant to encourage specific econo…
B. incentive
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question 8 of 8, step 1 of 1 classify the following data. indicate whet…
Quantitative Discrete Ratio
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using rule #1, are there any outliers in the wendy’s distribution? show…
Southside (assuming no other information about Northside's upper values)
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heights of men entering the u.s. marine corps are an example of which t…
C. Continuous
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the number of languages that various people speak fluently are an examp…
Discrete
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the numbers of questions answered correctly by various students on a 10…
B. Discrete