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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new vocabulary: la vue du périscope french: english: la mer seashell sh…
1. New vocabulary answers: - "La mer" means "the sea". The English words "seashell", "shark", "Barn" don't have corresponding French words filled in the correct order in the table…
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financial literacy means knowing how to make financial decisions. true …
True
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james swam at a constant speed. he swam 8 miles in 4 hours. what does t…
swims 2 miles per hour
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which of the following reveals the impact kennedy’s assassination had o…
Many felt his death would mean the end of the space program.
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chapter 1 section 3 section summary the constitution after winning thei…
1. It could not levy taxes to pay war - debt and could not defend American frontier interests. 2. They promised to add a bill of rights.
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part i - multiple choice: circle the response that best completes the s…
E. From the start of 2017 to the start of 2021, the bill increased by 0.9 tens of dollars per year, on average.
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select the correct answer from each drop - down menu. sylvia and patric…
Sylvia's line is a line of best fit because her line minimizes the distance between the data points and the line. Patrick's line is not a line of best fit.
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this scatter - plot shows the association between time elapsed and dist…
B. The y - intercept is 80, and the slope is $-\frac{2}{3}$
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read the quotation from \song of myself.\ you will hardly know who i am…
He wants to communicate directly with readers.
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every 3 months, the government releases median weekly earnings of full …
a. Approximately $\$860$ b. $\$861.15$. The value from the formula is slightly higher than the estimate from the graph.
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question 15 (making predictions mc) a group of 13 students spent 637 mi…
It will take them 6,125 minutes.
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question 14 (multiple choice worth 2 points) (experimental probability …
The theoretical probability of swimming, $P(\text{swimming})$, is $\frac{1}{2}$, but the experimental probability is $\frac{17}{50}$.
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question 13(multiple choice worth 2 points) (appropriate measures mc) t…
B. The range is the best measure of variability and equals 450.
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vocabulary activity #2 optimal retention engage reflect integrity good …
6. retention 7. integrity 8. reflect 9. optimal 10. engage
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last season, the panthers averaged 21 points per game. so far this seas…
more than 19 points
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select the correct answer. the scatter - plot shows the number of album…
B. negative linear association
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what association does the scatter plot show? a. positive nonlinear asso…
A. positive nonlinear association
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welcome to english part i: vocabulary activity #2 recite retrieval comp…
1. comprehension 2. recite 3. prioritize 4. cognitive 5. retrieval
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question 10 (multiple choice worth 2 points) (experimental probability …
70%
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part 3: what went wrong? each of the following statements is incorrect.…
15. The statement misdefines anonymity. Anonymity is about the researchers not being able to identify subjects, not about subjects' knowledge of the study. 16. The statement misde…
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which of the following statements is true? the indian appropriations ac…
# Breve explicación: El Indian Appropriations Act de 1871 significó que las tribus ya no eran clasificadas como naciones independientes. Este acto cambió la forma en que el gobier…
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practice & problem solving leveled practice in 7 and 8, complete the eq…
7. No solution 8. Infinitely many solutions 9. The equation is an identity and has infinitely many solutions 10. Infinitely many solutions 11. The two stores never charge the same…
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click on the box to choose the type of paragraph below. job 1:1 defines…
Religious Exposition
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9. dwaine tomlinson dirige un programa de baloncesto en california. el …
(a) 9 (b) 9 (c) 20 (d) 20 (e) 27 (f) 15
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question 8(multiple choice worth 2 points) (likelihood mc) if p(gold co…
Equally likely and unlikely
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question 6(multiple choice worth 2 points) (appropriate measures mc) th…
The median is the best measure of center and equals 10.
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question 5(multiple choice worth 2 points) (theoretical probability mc)…
0.625
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select the correct answer from the drop - down menu. the scatter plot s…
a positive
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question 4(multiple choice worth 2 points) (likelihood mc) each soccer …
The player will be more likely to wear a white jersey than a yellow jersey because \(P(\text{White})>P(\text{Yellow})\)
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which statement best describes how the use of allusion supports the mea…
A. The allusion to Lady Liberty connects the topic to something powerful and majestic
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question 3(sample spaces lc) list the sample space of a fair, 10 - side…
\(S = \{1,2,3,4,5,6,7,8,9,10\}\)
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question 1 (multiple choice worth 2 points) (comparing data mc) the tab…
Cougars; they have a larger mean value of about 22.6 inches
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select the correct answer. between which x - values and y - values does…
C. It lies between x - values 4 and 6 and y - values 6 and 9.
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which point represents the outlier in the scatter - plot? a. (2,4) b. (…
A. (2,4)
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4. design your own form of government using elements from at least two …
One possible form of government could be a "Representative - Monarchical Democracy". In terms of leadership, there would be a monarch who serves as a symbolic head of state. The m…
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question 9 of 10 how can body language, tone of voice and eye contact i…
They can communicate a positive energy which can mean more interest and enthusiasm for the job.
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sales in the county. how much tax money will the local government recei…
- Problem 43: Percentage is 3%, expected number is 21. - Problem 44: 150 - Problem 45: 430435 - Problem 47: $8.06$ - Problem 48: $2.40$ - Problem 49: 12% - Problem 50: Approximate…
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look at the statistics below and ask and answer questions with a partne…
1. 44 2. 974,878 3. Bachelor's 4. Male
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question 8 what does linz mean by \dual legitimacy\? both parliamentary…
C. In presidential systems, both Congress and the President are elected by the voters
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the weights of 16 randomly selected acorns from california black oak tr…
$3.6$
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working from the text 7. analyze an assigned section of the ode (stroph…
To answer these questions, one would need to closely read the assigned ode. For the first part, analyze the assigned sections by identifying how the stanzas are organized (e.g., r…
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directions: complete the questions below to continue your exploration o…
1. osis 2. gastropathy 3. pathology 4. gastralgia 5. gastritis 6. hepatomegaly 7. arteriosclerosis
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melody watched animal videos online. she especially loved the dog video…
C. interested people ignoring him
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read the example. then, choose the best answers. two groups of students…
5.11) D. There is no mode. 5.12) B. 75 5.13) B. 15 5.14) A. Group A, difference is 2 5.15) Group A performed better than Group B, with higher mean and median scores; Group B score…
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mandy is working at the zoo. there are 9 tortoises. their ages are 29, …
# Explanation: ## Step1: Calculate the sum of ages $29 + 2+12 + 26+18+34+54+44$ $= (29+2)+(12 + 26)+(18+34)+(54+44)$ $= 31+38+52+98$ $= 69+52+98$ $= 121+98$ $= 219$ ## Step2: Calc…
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question 3 how is gdp per capita commonly used in assessing the standar…
It provides an average economic output per person, which can indicate living standards
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the histogram represents the distribution of lengths, in inches, of 25 …
The mean is 9.42 inches.
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practice 6 (from unit 1, lesson 4) for 100 students. which term best de…
C. skewed
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which type of association is shown in this scatter plot? a. moderate an…
D. strong and positive
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practice 5 (from unit 1, lesson 9) a. what is the five - number summary…
Minimum: 2, $Q_1$: 4, Median: 5, $Q_3$: 7, Maximum: 15
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practice 5 (from unit 1, lesson 2) what is the five - number summary fo…
\(2,4,5,7,18\)
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use quadratic regression to find a function that fits the following poi…
$-1x^{2}+4x - 10$
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for exercises 6 - 8, use the box plots to answer the questions. the box…
6. Similarity: The inter - quartile ranges (IQRs) of both teams are equal (6). Difference: The range of Team B (24) is larger than the range of Team A (14). 7. It's hard to determ…
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summarize paragraphs 21 and 22, maintaining meaning and logical order. …
To answer these questions, one would need to closely read paragraphs 21 and 22. Summarize by identifying the main events and ideas. For the dramatic aspect of paragraph 22, look a…
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a. what is the five - number summary for the data? 2 2 4 4 5 5 6 7 9 15…
2, 3.5, 5, 7.5, 15
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identify the equation that represents the line of best fit on this scat…
$y=\frac{5}{7}x + 2$
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practice 5 (from unit 1, lesson 9) a. what is the five - number summary…
2, 3.5, 5, 7.5, 15
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practice 4 (from unit 1, lesson 9) a student has these scores on ten as…
Both the mean and the median increase.
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jack is doing an experiment to find the rate of water flow from a tap. …
C. $y=\frac{40}{14}x$
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practice 4 (from unit 1, lesson 9) a student has these scores on ten as…
Both the mean and the median increase.
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reflect what did you find the most interesting about describing data us…
One interesting aspect is that the range provides a simple measure of the total spread of the data set, from the minimum to the maximum value. It gives a quick sense of how disper…
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the number of writing instruments in some teachers desks is displayed i…
the mean
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practice 2 for which distribution shape is it usually appropriate to us…
B. skewed
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for exercise 5, use the box - plot to answer the question. the box - pl…
Comparing the range and interquartile range shows that there are likely outliers in the data of the number of passengers on the noon train, as the overall spread (range) is larger…
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select all the distribution shapes for which it is most often appropria…
A. bell - shaped, D. symmetric, E. uniform
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in 29 - 31, use the table at the right. 29. communicate and justify sup…
Theresa ### 30.
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what are the slope and the y - intercept of the line of best fit on thi…
A. The y - intercept is 8, and the slope is $-\frac{4}{3}$
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complete the chart. which of these clues helps you understand what \cas…
Surrounding text or usage examples that show "case" as an incident.
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30. delias relative long jump length was recorded as 0. what does this …
Delia's long - jump length is equal to the reference value used for relative measurement.
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complete the chart. what does \strike\ mean in this passage? word strik…
to remove something
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select the correct equation. identify the equation that represents the …
$y=-x + 2$
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complete the chart. what does \strike\ mean in this passage? word strik…
To remove or cross - out
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for exercises 3 and 4, use the given information to answer the question…
3. The range is 24. It shows the difference between the highest and lowest annual rainfall amounts over 15 years. 4. The inter - quartile range is 12. It describes the spread of t…
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select the correct answer. which type of association is shown in this s…
C. strong and negative
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multiple choice question the fact that consumers are not always able to…
A. elastic
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match each of maslow’s levels with its description. * 5 points physiolo…
Feeling safe and secure - Safety Feeling competence and gaining approval or recognition - Esteem Fulfilling one’s unique potential - Self - Actualization Significant and meaningfu…
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select the correct answer. which type of association is shown in this s…
C. strong and negative
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what does ote\ mean in this passage? to mention to send a short message…
to mention
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main ideas and details details tell more about the main idea. they give…
Main idea (yellow): William was confident and creative building a wind - mill despite others' doubts. Two reasons for confidence (red): Saw windmill photo in a book; Knew someone …
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carefully read these two sentences: \you must prepare yourself for the …
It warns that there will be a conflict or problem.
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for exercises 1 and 2, use the description to answer the questions. yuz…
The range is 5 and the inter - quartile range is 2.
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what we saw was not the same house we had believed we had inhabited if …
in the past tense
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the scatter - plot shows the association between the population of vari…
Negative and linear
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what we saw was not the same house we had believed we had inhabited if …
to live
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2. the probability of landing on purple on a certain spinner is $\frac{…
$\frac{1}{6}$
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what we saw was not the same house we had believed we had inhabited if …
C. in
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2. the probability of landing on purple on a certain spinner is $\frac{…
$\frac{1}{6}$
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“and no one—absolutely no one—is allowed to mock me!” use a print dicti…
to laugh at or make fun of
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my husband angered the ancient ones and ive been paying for it ever sin…
D. live in
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a band is selling tickets to an upcoming concert, and all tickets have …
$p = 77.54t$
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directions: reread each quote from chapter 9 of summer of the mariposas…
D. pill
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part c how could you change the slope and the y - intercept of this gra…
Decrease the absolute value of the slope and lower the y - intercept.
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chapter 1 review homework 1. there are 34 panda stickers, 24 elephant s…
a) $\frac{2}{17}$ b) $\frac{1}{3}$ c) $\frac{23}{51}$ d) $\frac{35}{51}$
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how are black people represented in the film \birth of a nation\? how d…
In "Birth of a Nation", black people are represented with negative stereotypes, and this helped the South in exploiting black labor by justifying racial hierarchies and white - co…
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farhan felt his palms sweat and his legs shake while he waited to start…
C. Farhan's symptoms showed that he was not calm.
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the stem - and - leaf plot below gives the gas mileages (in miles per g…
(a) 16 (b) 1 (c) 58
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melody likes to go for a walk outside when she feels anxiety. this stra…
B. plan
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use cubic regression to find a function that fits the following points.…
$2x^{3}+1x^{2}-4x + 6$
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activity the line drawn for a scatter - plot may not always be the line…
To change the slope, if more points are above the line on the left and below on the right, make the negative slope steeper; otherwise, make it less steep. To change the y - interc…
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the stem - and - leaf plot below gives the test scores for the 18 stude…
(a) 87 (b) 95 (c) 5