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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the average, or mean, t, of three exam grades, w, y, and x, is given by…
\( 3T - w - y \) ### Part (b)
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1. mr. alven took a poll of his 30 students. he asked their hourly pay …
Seniors had the higher hourly pay rate. To create box - and - whisker plots: - For Seniors: Plot with minimum \(8\), Q1 \(8.75\), median \(10\), Q3 \(11.5\), maximum \(12\). - For…
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throughout most of history, women were treated as inferior to men and t…
### 3 Main ideas - from the reading 1. **Historical Gender Inequality**: Throughout most of history, women were treated as inferior to men, with their actions supported by cultura…
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at an all-way stop, when it comes to right-of-way, \first in, first out…
D. yield to any road users who arrived before you (assuming the options are labeled A, B, C, D in order. If the original options have different labels, adjust the label accordingl…
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6. according to the normal curve shown, match each ( x )-value range to…
10 to 30: 95% 15 to 25: 68% $\mu$ to $\mu + 2\sigma$: 47.5% 15 to 20: 34%
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were gone? did he have an accomplice, someone who picked up him? or may…
Mystery (or Detective Fiction) ### Part b
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5. the scores for oklahomas peace officer standards and training test a…
Mean: 55, Standard Deviation: 12, Percentage: 68%
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4. use the normal curve shown to identify the mean and standard deviati…
standard deviation: 7 mean: 72
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3. determine whether the data modeled in the histogram is normally dist…
B. No
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2. determine whether the data modeled in the histogram is normally dist…
A. Yes
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why did alexander hamilton argue for the national government to issue a…
C. Any sovereign government, by definition, has the right to apply its power by all appropriate means.
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____ is a learning process in which a neutral stimulus becomes associat…
A. Classical conditioning
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6. which task is not a component of an observational study? 1) the rese…
4) The researcher divides the sample into two groups, with one group acting as a control group.
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a group of 200 students were asked whether they have a curfew and wheth…
31 ### Part (b)
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the final word judicial review allows the constitution to be a flexible…
Judicial Review is a dynamic function as it allows courts to interpret the Constitution in modern contexts (e.g., applying privacy rights to digital tech), adapting to societal ch…
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which federal agency calculates the consumer price index (cpi)? ○ us ce…
B. US Bureau of Labor Statistics
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5. a market research firm needs to collect data on viewer preferences f…
3) survey
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which sociological lens/perspective relates to how people view the mean…
D. Symbolic
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complete the sentence with the word that best fits the overall meaning …
A. impulsive
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a ______ yellow line means traffic on either side may cross the center …
B. single broken (assuming the options are labeled A, B, C, D with A as single solid, B as single broken, C as double solid, D as double broken)
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a ______ yellow line means traffic on both sides may not cross the cent…
D. double solid
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during the renaissance, applying humanist ideas to government meant tha…
C. debate about government.
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rewrite the sentence in active voice using simple present tense. that p…
mock that politician
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what does the term \typographical features\ mean? ○ the use of boldface…
A. the use of boldface type, italics, underlining, and alignment
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what is the best definition of realpolitik? ○ politics centered on the …
C. politics based on power and practical facts rather than ideals (assuming the options are labeled A, B, C, D in order)
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read the excerpt below and answer the question that follows. before mar…
C. required
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make a diagram to show the number of students and adults. field trip\tt…
For the ratio of adults to students, the ratio is \( 4 \) adults : \( 20 \) students (or simplified \( 1 \) adults : \( 5 \) students). If we use the original numbers, the first b…
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chunk 5: tom’s realization tom said to himself that it was not such a h…
The important idea (theme) Tom discovers is that the world has meaning and value (is not "hollow"), and he decides to take action (resign) to pursue a more meaningful or authentic…
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in dr. heidegger’s experiment, what elements and symbols in the story c…
C. Then she showed mutely, and learned about the room. The Widow Wycherly—I so fresh a damsel could be called a widow—stepped up to the doctor’s chair, with a mischievous merrimen…
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which phrase defines \parody\ best? qualities that make something laugh…
C. a work intended to imitate characteristics or style for comic effect
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drag each tile to the correct box. based on the context of each quote f…
To solve this matching problem, we analyze each quote and the meaning of the phrases: ### First Quote: *"He told her all, only he forbore to mention how sick and pale her darling …
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which of the following means separating different types of people into …
B. discrimination
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21. select the correct conjugation. ustedes ○ baila ○ bailaron ○ pero 2…
Ballaron ### Question 22
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read the sentence, which contains a biblical allusion from the story th…
C. God uses the rainbow as a sign of his promise never again to destroy all life on Earth
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12. katherine recorded the weekly number of hours she worked at her sum…
The values within one standard deviation of the mean are 18, 20, 23, 24, 25.
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13. ... the weekly numbers of ... worked on the summer job? if the mean…
Mean: $20.25$, Variance: $27.4375$, Standard Deviation: $\approx5.24$
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13. trecientos is the same as... 3,000 600 300 60 14. select the verb i…
for Q13: 300 (the option with 300) ### Question 14: Select the verb in past tense. "Jugué" is the past tense (preterite) of "jugar" (I played), "Jugo" is either a misspelling or "…
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9. select the correct conjugate verb to complete the sentence reynaldo …
A. Comienzan ### Question 10
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what is the gist of the part of the passage in the box? symbols on unif…
A. Symbols on uniforms can mean something important about a country.
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5. the expression \hay + que + a verb\ means: - to have to do something…
To have to do something ### Question 6
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which two statements best describe the main reasons that formerly ensla…
- to bring attention to the demeaning and dangerous conditions that enslaved people faced - to counter the idyllic depictions of slavery that often came from slaveholders
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10. the mean amount of money withdrawn from a bank atm on a certain day…
12.5
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and small trucks. the scatter plot shows how many cars and trucks parke…
3.1
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\his mom wasnt the only person who didnt rsvp at all. i guess the apple…
The idiom "the apple doesn't fall far from the tree" in this context means that the son's behavior of not RSVPing is similar to his mother's behavior of not RSVPing, implying that…
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review the thirty - fourth paragraph. 33 luis envisioned meetings, peti…
C. Community organizing has the power to create change.
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in a darts tournament, the player with the highest proportion of bullse…
$0.4\overline{6}$
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a pet store has 7 cats. here are their weights (in pounds). 7, 12, 15, …
11.6
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mean of a data set on a survey, 6 students reported how many minutes it…
\(10.2\)
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mr. foster gave his students a biology test last week. here are the tes…
| Test score | Frequency | |------------|-----------| | 66 to 71 | 2 | | 72 to 77 | 5 | | 78 to 83 | 1 | | 84 to 89 | 3 |
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problem 4 a smoothie recipe calls for 3 cups of milk, 2 frozen bananas …
A bar graph (or pie chart) can be created as described above to represent the quantities of each ingredient. For a bar graph, the bars for milk, frozen bananas, and chocolate syru…
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8. the mean temperature amongst several major cities on the east coast …
62
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here again is the histogram showing the distribution of 50 ages at deat…
B. the median will be smaller than the mean.
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ten cyclists were each asked the distance in miles they biked last week…
| Distance in miles | Frequency | | ---- | ---- | | 1 to 5 | 1 | | 6 to 10 | 3 | | 11 to 15 | 4 | | 16 to 20 | 2 |
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here are the shopping times (in minutes) of ten shoppers at a local gro…
| Shopping time (in minutes) | Frequency | |----------------------------|-----------| | 18 to 22 | 2 | | 23 to 27 | 3 | | 28 to 32 | 1 | | 33 to 37 | 4 |
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descriptive statistics finding a percentage of a total amount in a circ…
6020
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which quote from the story best supports the idea that taj thinks his p…
B. "You mean your careers," Taj replied.
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tension between the plebs and the patricians rose because of issues inv…
A. equal rights and land distribution
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the citizens of a city were asked to choose their favorite type of pet.…
36000 (Wait, correction: 140000 * 0.26 = 36400. So the correct answer is 36400)
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practice select an answer for each item. 1. which is the best paraphras…
B. Can all peoples of the world come together to fight evil, and will you help do that? ### Question 2
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arrange the pieces below in two ways without changing the meaning or te…
### In the Active Voice # Explanation: ## Step1: Identify the subject (doer) and object (receiver) The passive sentence is "A giant sunflower is planted by me in Juan Soto's front…
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in a student survey, forty part-time students were asked how many cours…
25.0000
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i stand before you today as a candidate for the democratic nomination f…
Rally (the option with "Rally" as the text, so we select the checkbox next to "Rally" and in the answer we present it as per the multiple - choice format here: the correct option …
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the table represents the results of survey that asked people their age …
\( f(x)=-0.14x + 13.04 \)
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the times for the passage of play in a rugby game have a mean of 19.25 …
2.7 would not be unusual since it is less than two standard deviations from the mean.
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3. what part of the... lincan and the lepublican darty. 4. why would th…
The election of Lincoln caused Southern states to leave the Union because Lincoln was a Republican who opposed the expansion of slavery. The Southern economy was heavily reliant o…
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comparing weekly earnings based on education level 2012 full - time med…
C. A doctoral degree is likely to help you earn almost twice as much as a master’s degree
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the 40th percentile of the data 5,6,7,9,10,14,17,18,19,21,22,24,25,32,3…
18.5
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synonym of root word; doodle that represents the root word (with a box …
To solve the problem related to the root word “-rect” (assuming it's a typo and should be “rect-” or “-rect” with a root meaning related to “straight” or “right”): ### For the "Sy…
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this sign means: the highway will be divided ahead the right lane will …
B. The right lane will end ahead (assuming the options are labeled A, B, C with A being "The highway will be divided ahead", B being "The right lane will end ahead", C being "Less…
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drag the right word to its antonyms ignore, miss observe control support
Drag "observe" to "ignore, miss" (as observe and ignore/miss are antonyms: observe means to notice, ignore/miss mean to not notice).
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read the excerpt from text. he went north. best beloved, and he found a…
A. the repetition of words and patterns B. the terms ‘Kun’ and ‘payah kun’
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where should you start making a u-turn when driving on a divided street…
B. In the left lane (assuming the options are labeled A: On the shoulder, B: In the left lane, C: In the median)
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read the excerpt from as you like it by william shakespeare. all the wo…
A. People play different roles throughout their lives.
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read the excerpt from the green gables letters by l. m. montgomery. the…
B. It conveys the idea of trees losing their leaves and making noises in the wind.
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read the sentence. writers use verbal phrases containing gerunds, infin…
an infinitive phrase (Note: There was a typo in the option as "phase" instead of "phrase", but the correct option is the one labeled "an infinitive phase" with the intended meanin…
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select the word that means a refusal to buy or use something in order t…
boycott
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read the sentence. when cotton clothing is permeated, or soaked through…
D. saturated (assuming the last option is labeled D; if the options are labeled differently, adjust the label but the text is "saturated")
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math 4 interpreting and non - linear regression name 1 ) a small coffee…
### Problem 1: Coffee Shop Revenue and Hours Open #### 1. Find the line of best fit (regression equation) To find the linear regression equation \( \hat{y} = mx + b \), we can use…
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answer the following questions to examine the causes of world war ii, i…
Class differences
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11. - / 1 points 0/100 submissions used listcpalg2 3.4.051. in a poll, …
22327
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15. recently, the land area in france was reported as 547,557 square ki…
Approximately 121 people per square kilometer (the more precise value from the division is about 121.11, so we can round to a reasonable number like 121 or 121.1).
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tech teams: the numbers represent the idle mode operating temperatures …
# Explanation: ## Step1: Count data with stem 5 Check each temperature value. The values with stem 5 (tens place 5) are 55, 57, 58, 59? Wait, no, looking at the data (assuming the…
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this sign means: you have the right-of-way another lane is merging with…
Another lane is merging with your lane
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the following data represents the gpa of a sample of 15 students enroll…
(a) 2.17 (b) 3.55 (c) 2.8507 (d) 3.15 (e) 2.25 (f) 0.7565
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select the text from the paragraph that best helps you understand that …
- He asked, through advertisements and word of mouth, that volunteers around the English - speaking world send in definitions and documented uses of words. - Millions of submissio…
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question 1 (1 point) listen in the context of ethical behavior, encoura…
True ### Question 2
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question 10 art provides a means to express the imagination in nongramm…
True
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question 9 at the most basic level, what is our first experience of an …
a. whether it attracts or repels us
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read this part from the story. in this part, the word \yanking\ most cl…
B. to grab
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informational text word choice quick check what does denotative mean? (…
A. having a direct, specific meaning
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informational text word choice quick check what does connotative mean? …
B. going beyond a literal meaning to suggest meaningful images, insights, or associated ideas
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directions: independently, annotate source 2 using the annotation key a…
Since the annotation key isn't provided, we can still do a basic annotation based on common annotation purposes (like identifying perspective, tone, content type): ### Annotation …
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figurative language in the lion, the witch and the wardrobe answer the …
b. They indicate an air of wonder and unease. ### PART B
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word meaning quick check use the dictionary definition to answer the qu…
D. uh
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some questions supply a data set, like the one below, which must be use…
55
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word meaning quick check which words might be the guide words on a dict…
adapt and administration
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if generate means \to produce,\ what does regenerate mean? (1 point) ○ …
A. to produce again
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what is a context clue? (1 point) ○ a detail that helps readers guess w…
B. text near a word that helps clarify its meaning
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find an explicit formula for the geometric sequence 2, 6, 18, 54, .... …
\( b(n)=2\times3^{n - 1} \)
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for questions 7 and 8, draw the normal distribution curve, then answer …
Approximately $99.7\%$ (or $99.8\%$ based on the graph) ### Question 7b