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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in the context of statistical analysis, what is a \sample\? a. a subset…
A. A subset of the population used for analysis
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what does a positive correlation between two variables indicate? a. as …
d. As one variable increases, the other also increases
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what does the mean represent in a data set? a. the most frequently occu…
C. The average value of all data points
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which measure of central tendency is most affected by outliers? a. medi…
d. Mean
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what is the probability of drawing a red card from a standard deck of p…
A. \(1/2\)
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when graphing data, what does the x - axis typically represent? a. the …
c. The independent variable
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which graphical representation is typically used to display the distrib…
d. Histogram
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statistics is the science of collecting, analyzing, interpreting, and p…
1. data 2. mean 3. median 4. mode 5. percentage
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think about the text fahrenheit 451 by ray bradbury to answer the quest…
D. the theme of meaningful connection with others
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11. pizza sales a pizza restaurant sold 24 cheese pizzas and 16 pizzas …
a. \(0.3\) b. \(0.15\) c. \(0.85\)
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read the excerpt from fahrenheit 451 by ray bradbury, then answer the q…
A. cunning
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read this sentence. my first term paper, which is due next month, must …
The clause is "which is due next month." It is non - essential. It does require a comma.
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in paragraph 3 of this passage, what clues help you know the meaning of…
"Got into his bath" and "Under the water"
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what does the word sequence mean in paragraph 7 of the passage? series …
A. series
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read the following excerpt from a modest proposal, by jonathan swift: a…
A. He believes that the people who disapprove of this plan are hypocritical for ignoring the plight of the poor.
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what does the line o more skipping breakfast, no more dropping out of s…
C. The difficult conditions in Malawi have a major effect on the author's day - to - day life.
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12. tracy made a venn diagram to compare the numbers of students in her…
21
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6. the table and scatterplot below show the relationship between studen…
a) On average, the actual number of campus property crimes differs from the predicted number by about 89.18. b) 80% of the variation in the number of campus property crimes is exp…
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this graph shows how the distance cassie has cycled depends on the numb…
300
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channel chan • nul chan nul from latin canalis, canal 1. (noun) a narro…
7 2 1
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question 5 a poker hand consists of five cards randomly dealt from a st…
- Probability that exactly 3 of the cards are Aces: \(0.1736\%\) - Probability that all five of the cards are Spades: \(0.0495\%\) - Probability that exactly 3 of the cards are fa…
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4. the residual plots from two different sets of bivariate data are gra…
Graph A indicates that the least - squared regression model for the data is appropriate.
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this graph shows how the total number of necklaces irma owns is related…
\(\$3.50\)
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this graph shows how boots the puppys weight varies with age. boots the…
6.5 pounds
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a 6 - digit pin number is selected. what it the probability that there …
\(0.151\)
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in a lottery daily game, a player picks four numbers from 0 to 9 (witho…
a) \(5040\) b) \(210\)
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what issue caused the american civil war? tariffs. national bank. immig…
For the first question: Slavery. For the second question: Reconstruction.
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3. how does the repetition of \if\ most contribute to the poems overall…
C. It emphasizes how much the speaker's son must do in order to become a man.
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what was the goal of the abolitionists? the wanted to give woment the r…
- First question: They wanted the immediate end of slavery. - Second question: Underground Railroad. - Third question: Harriet Tubman.
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which of the following terms means...\to withdraw from the union\? tari…
- First question: Secede. - Second question: Gettysburg. - Third question: They believed he would end slavery.
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what term means:\a period of violence in the kansas territory during th…
- First question: Bleeding Kansas. - Second question: To oppose slavery. - Third question: The Supreme Court ruled that no state or territory could ban slavery.
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what term means...\the period after the civil war in which the southern…
1. Reconstruction 2. Ended Slavery
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10) find the probability of answering the two multiple choice questions…
D. 0.04
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total students surveyed: 300 less than $20: save: 60 students spend: 40…
\(0.15\)
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total students surveyed: 300 less than $20: save: 60 students spend: 40…
\(0.57\)
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which of the following battles...was the last battle of the civil war? …
- First question: Appomattox Courthouse. - Second question: Secede.
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what field do many students in honduras go into after they graduate hig…
- First question: agriculture - Second question: class schedule - Third question: La clase de arte es mi favorita porque es creativa y relajante. (This is an example, you can chan…
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what are students in public school in puerto rico required to wear? (1 …
1. uniforms 2. 12 a.m 3. -do-
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the table shows the relationship between square footage and rent prices…
The slope indicates that as the square footage increases, the rent increases proportionally, demonstrating a direct correlation between size and cost.
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the table shows the relationship between square footage and rent prices…
The slope indicates that as the square footage increases, the rent increases proportionally, demonstrating a direct correlation between size and cost.
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where was the first latin american winner of the nobel prize for litera…
- First question: Chile - Second question: You have the schedule - Third question: Ellos hablan - Fourth question: (There is an error in options as Spanish is more common in Miami…
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a group of data items and their mean are given. 360, 405, 455, 460, 480…
a. \(-100\), \(-55\), \(-5\), \(0\), \(20\), \(140\) b. \(0\)
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determine whether the following statement makes sense or does not make …
B. The statement makes sense because there may exist some outliers (maybe much greater or much less than the rest of the data) in the data items.
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you are provided with data collected from a traffic study that recorded…
\(90\)
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use the display of data to find the standard deviation. the standard de…
\(0\)
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find the standard deviation for the following group of data items. 12, …
\(4.57\)
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what law passed in 1854 did the following: \allowed the new territories…
- First question: Kansas - Nebraska Act. - Second question: Bleeding Kansas.
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use the data 3, 4, 5, 7, 8, 9. without actually computing the standard …
D. 2
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if a set of test scores has a large range but a small standard deviatio…
D. Most of students' test scores are around the mean, except that few students got scores much greater than the mean and few students got scores much less than the mean.
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describe a situation in which a relatively large standard deviation is …
C. A university produces better learning outcomes when its students have diverse backgrounds.
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determine whether each statement makes sense or does not make sense, an…
C. The statement makes sense. Data sets can have different means and the same standard deviation. For example, if two data sets contained the values {1,3} and {2,4}, the means for…
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the data sets give the number of platinum albums for the five male arti…
C. Male artists have the greater standard deviation because there is a greater spread in the data for men.
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practice match each graph with its related table. explain your answers.…
3 - A, 4 - C, 5 - B
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the data sets give the number of platinum albums for the five male arti…
Mean (Male artists) \(=96.40\) Mean (Female artists) \(=56.00\)
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the data sets give the number of platinum albums for the five male arti…
D. Male artists have the greater mean number of platinum albums because all of the data items for the men are greater than the greatest data item for the women.
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this graph shows how the accuracy of shelbys watch is related to how lo…
5 seconds
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this graph shows how the total number of comic books josh has in his co…
80 comic books
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this graph shows how the total number of comic books josh has in his co…
70
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find the standard deviation for the group of data items. the standard d…
\(7.14\)
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the table shows a proportional relationship between the cups of flour a…
C.
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practice what are the variables in each graph? describe how the variabl…
1. Variables: Total Cost and Number of Pounds. Relationship: Total Cost increases as Number of Pounds increases. 2. Variables: Amount of Paint in Can and Area Painted. Relationshi…
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practice what are the variables in each graph? describe how the variabl…
A.
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how did the jews feel when they were attacked by an american air raid?*…
1. B. Afraid 2. C. He doubts God's existence in the midst of all the suffering
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find the standard deviation for the group of data items. 17, 13, 17, 13…
\(2.14\)
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why did elie have to go to the dentist? * because he had a toothache so…
- The dentist wanted his gold crown. - He is starving. - So that their boss would stop beating him.
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find the standard deviation for the group of data items. 5,5,5,5,7,9 th…
\(1.53\)
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find the standard deviation for the group of data items. 16, 17, 18, 19…
$1.58$
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find a. the mean; b. the deviation from the mean for each data item; an…
| Data Item | 139 | 143 | 149 | 151 | 153 | |--|--|--|--|--|--| | Deviation | \(-8\) | \(-4\) | \(2\) | \(4\) | \(6\) |
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find a. the mean, b. the deviation from the mean for each data item; an…
\(147\)
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find a. the mean; b. the deviation from the mean for each data item; an…
\(0\)
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find a. the mean; b. the deviation from the mean for each data item; an…
-6,4,-1,-6,9
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find a. the mean; b. the deviation from the mean for each data item; an…
$71$
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a group of data items and their mean are given. 18, 30, 42, 72, 108, 16…
For part (a): |18|30|42|72|108|162| |----|----|----|----|----|----| |\(-54\)|\(-42\)|\(-30\)|0|36|90| For part (b): Sum of deviations: \((-54)+(-42)+(-30)+0 + 36+90=0\)
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find the range for the group of data items. 12, 13, 14, 15, 16 the rang…
\(4\)
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9. a set of data was used to create a linear, a quadratic, and an expon…
C. \(y = 3(2)^{x}\)
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8. mr. passwater used a set of data to create a quadratic regression mo…
A. The residual plot has no apparent pattern, so the quadratic model was appropriate.
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7. a regression model was created for the data in the graph above (left…
B. A quadratic regression model was used and the model is not appropriate.
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6. over the years 1950 - 2020, the total world population can be modele…
The world population in 1979 was approximately \(4.24\) billion.
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6. over the years 1950 - 2020, the total world population can be modele…
The residual is \(-3.58\)
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verbal communication employment preparation: careers verbal communicati…
B. Workplace Skills
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why did the british have more black soldiers? note: emancipation means …
Black people thought the British were more likely to end slavery if they won.
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which word part means \hearing\? -opia xero- labrinth/o -cusis
-cusis
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part 4 - vocabulary scavenger hunt use your surroundings, books, or ima…
1. Quiet 2. Bank 3. Flower - flour 4. Run 5. Bamboozle 6. Brave 7. Book 8. Crabcake
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3. tickets to the zoo cost $12 for adults and $8 for children. the scho…
A. If no adult chaperones were needed, 30 students could go to the zoo. C. If four more adults go to the zoo, that means there will be room for six fewer students. E. If 16 adults…
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a dimension is a measurement written as a _______. range letter symbol …
number
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traditional algebra 2 - 7.2 polynomial division the algebros know that …
The remainder is \(4\) (which means the company makes a profit of \(\$4,000,000\) when \(x = 4\) million shirts are produced)
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level 7, passage 2 \catwalk\ when i woke up, late afternoon had arrived…
1. a. He was feeling pent up like a sardine in the hotel room; b. It was too early for dinner. 2. c. A person who lives in a small town. 3. a. To entertain us with an embarrassing…
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given a scatterplot and trend line, which statements are true? check al…
- The trend line represents the correlation between the two variables. - The trend line should have roughly the same number of data points on each side of the line.
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find the critical value ( z_{alpha / 2} ) that corresponds to a 91% con…
D. 1.70
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which of the following critical values is appropriate for a 98% confide…
B. \(z_{\alpha/2}=2.33\)
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find the value of $z_{\\alpha / 2}$ that corresponds to a confidence le…
D. \(1.62\)
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find the critical value ( z_{alpha / 2} ) that corresponds to the confi…
\(1.37\)
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use the given confidence interval to find the margin of error and the s…
The margin of error $E = 0.015$
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consider the tennis balls shown in the accompanying figure. assume that…
a) \(\frac{1}{3}\) b) \(\frac{1}{2}\)
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use the given confidence interval to find the margin of error and the s…
$\hat{p}=0.765$
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consider the circles shown to the right. assume one circle is selected …
\(0\)
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a group of 220 college students who took math last term were interviewe…
(a) \(55\%\) (b) \(40\%\) (c) \(75\%\) (d) Yes, because the percentage found in part (c) is much greater than the percentage found in part (a).
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select the correct choice that completes the sentence below. the notati…
\(P(E_2|E_1)\)
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fill in the blank with an appropriate word or phrase. the probability o…
conditional
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a magazine provided results from a poll of 2000 adults who were asked t…
\(\hat{p}=0.14\), \(\hat{q}=0.86\), \(n = 2000\), \(E = 0.04\), \(p\) (unknown population proportion), \(\alpha=0.05\)