Statistiques
Analyse de données, distributions de probabilités et tests d'hypothèses.
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cory is a birdwatcher. he estimates that 30% of the birds he sees are a…
A. 0.70
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ray is a runner from an athletics team. he recorded his 100 - meter rac…
12
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9. what is a suffix, according to the powerpoint? 10. what is the rule …
9. A letter or group of letters added to the end of a base - word to change its meaning, form a new word, or change its grammatical function. 10. Added to the end of a word and mo…
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what actions characterize authoritarian governments? select three answe…
- Citizens support the government's official ideology. - A single leader or a very powerful group rules. - Leaders refuse to tolerate dissenting views.
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speed 20 25 30 35 40 45 50 55 60 65 time 85 87 75 82 69 73 60 57 45 49 …
The titles of the vertical and horizontal axes are swapped.
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what conclusion can be made from the data in the line graph? buzz was a…
Buzz was at his grandparents house from 11 am - Noon because that is when his distance from home was unchanged.
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in a study, a group of people were shown 30 names, and after 1 minute, …
6
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the following table shows the time that cal spent exercising for the la…
126
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35 students were surveyed on how many hours they spend online each week…
15, 21
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officially, the word \depression\ means that the economy has had at lea…
False
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students were surveyed on how many hours they spend online each week. t…
16, 21
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officially, the word ecession\ means that an economy has had at least s…
True
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rochelle conducts an experiment by rolling a fair number cube 120 times…
Outcome 5 has the same experimental probability and theoretical probability.
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which line plot has the smallest spread?
The first line - plot (the one with values ranging from 0 to 2)
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university of miami department of industrial engineering ise - 763 proj…
1. Scope statement and priorities provided as described above for the charity event. 2. Real - life examples for priority scenarios provided as described above. 3. WBS for buildin…
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8. provide three examples of root words. underline the root word and de…
8. "portable": port - to carry; "credible": cred - to believe/trust; "visible": vis - to see 9. A letter or group of letters added to the end of a word to change its form or meani…
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ruby how much larger was teddys greatest number of sales compared to ru…
3 more cars than Ruby.
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8. provide three examples of root words. underline the root word and de…
8. "**port**able" - "port" means carry; "**cred**ible" - "cred" means believe; "**aud**ience" - "aud" means hear 9. A letter or group of letters added to the end of a word to chan…
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question 6 the average time to complete a 10k race for a female runner …
-1.23
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question 7 the lifetime in miles for a certain brand of tire is normall…
D. 16,172 miles
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question 5 the number of days (x) after mailout it takes a utility comp…
A. (13, 49)
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8, 11, 12, 12, 13, 13, 15, 20, 25, 36 which stem - and - leaf plot repr…
The first stem - and - leaf plot (with 0|8, 1|122335, 2|05, 3|6) represents the data set.
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the lifetime in miles for a certain brand of tire is normally distribut…
B. 16,172 miles
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question 6 the average time to complete a 10k race for a female runner …
$-1.23$
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question 3 suppose the scores on an exam are normally distributed with …
89
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the number of days (x) after mailout it takes a utility company to rece…
31
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a factor that weakened the us economy during its initial surge was the …
wealth
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suppose the scores on an exam are normally distributed with a mean μ = …
C. 85
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this excerpt is taken from patrick henrys famous \give me liberty or gi…
We have petitioned; we have remonstrated; we have supplicated; we have prostrated ourselves before the throne...
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the following histogram displays the distribution of battery life (in h…
D. 0.025
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all of the marbles in a bag are the same size and shape. color number y…
Kendra
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question 1 suppose the time to complete a 200 - meter backstroke swim f…
0.0314
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which graph could be used to determine the number of students who prefe…
Bar graph
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question 3 suppose the scores on an exam are normally distributed with …
89
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suppose the scores on an exam are normally distributed with a mean $mu …
C. 85
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the daily maximum temperature was recorded each day for a week in the t…
$20^{\circ}C$
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suppose the scores on an exam are normally distributed with a mean μ = …
D. 0.7734
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caitlin asks the students in her class what type of pet is their favori…
Cat
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suppose you want to determine if there is a relationship between a stud…
The type of device they are using to track the amount of screen time or hours of sleep
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what does \maleta\ mean? mallet tool box suitcase
C. suitcase
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suppose joan has a fair four - sided die with sides that are numbered 1…
D. 30%
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an urn contains 22 marbles consisting of 10 red marbles, 7 blue marbles…
C. 32%
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a college has a 40% completion rate, meaning 40% of all students who st…
52
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directions: using the google slideshow, please fill in the following an…
1. "un -" (not), "tion" (turns verb to noun), "bio -" (life) 2. Vocabulary expansion, reading comprehension, writing skills improvement 3. A word - part added to the beginning of …
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26. two scores, x and y, are recorded for each of n = 5 participants. f…
a. $0$ b. $14$ c. $14$ d. $4$
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12. read the following passage and then answer the question that follow…
8. This text summarizes the physical characteristics of the Piedmont region. 9. native to the area
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5 which of the following nations fought alone against the axis powers? …
None of the above options are correct as all the options list multiple countries and no single nation is represented. If we assume the closest was meant to be Britain (as it fough…
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which of the following verbs means \to spend time with friends\? pasar …
A. Pasar un rato con los amigos
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which of the following verbs means \to watch tv\? practicar deportes es…
C. Mirar la tele
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use the table showing the weights of students in mrs. jones kindergarte…
D. 13
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use the table showing the weights of students in mrs. jones kindergarte…
C. 40
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what does \tener\ mean? ? to eat to have to do
B. To have
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what term describes the piece of data that occurs most frequently in th…
A. mode
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which data set has the greatest range? ○ a 12, 19, 17, 15, 12 ○ b 22, 2…
C. 35, 39, 31, 30, 36
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if \ser\ means \to be.\ then what does \estar\ mean? \to be\ \to do\ \t…
A. "To be"
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the ages of the people in the chan family are listed in the table. chan…
A. 18
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a group of students recorded hampton citys daily high - temperatures fo…
B. 86
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look at the list of numbers. 59, 21, 31, 35, 65, 47, 40 what is the med…
C. 40
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the table shows the number of students in each grade who had perfect at…
B. 42
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the table shows the number of students in each grade who had perfect at…
There seems to be an error in the options provided as the correct range for the data set {20, 56, 42, 63, 70, 35, 42} is 50. If we have to choose the closest option, it might be a…
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this table shows the number of jellybeans mrs. taylor put in 5 baskets.…
C. fair share
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a negative correlation means ________. a. there is a relationship betwe…
B. one variable decreases as the other increases
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practice unit conversions complete the following problems (in the space…
1. 0.3 m 2. 10000 m 3. 15.05 g 4. 3.264 L 5. 9674.444 kg 6. 3100000 mg 7. 5.897159 kg
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figure out the meaning from evidence and reasoning rather than from exp…
C. infer B. irony
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a figure of speech comparing one thing with something different, used t…
A. simile C. hyperbole
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sara went grocery shopping and bought apples and bananas. the cost of a…
The term 2a represents the total cost of her apples. The coefficient 2 and variable a in the term 2a mean that each pound of apple cost $2. The term 1b represents the total cost o…
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which of the following verbs means \to practice sports\? mirar la telev…
C. Practicar deportes
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which of the following verbs means to be? pensar dar estar
C. Estar
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which of the following verbs mean \to have lunch\? dar empezar almorzar
C. Almorzar
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which of the following verbs means \to spend time with friends\? pensar…
B. Pasar un rato con los amigos
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which of the following verbs means to play? almorzar jugar jugar al fút…
B. Jugar
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question 11 1 pts \street smart\ means you are quick - witted based on …
Question 11: A. True Question 12: B. False
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how many cities have temperatures between 70 degrees and 99 degrees?
132
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what is the size of the class intervals in this graph?
5
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part 3: hypothesis test for a proportion (5 mins) innovate inc. claims …
The sample proportion $p' = 0.3$. The null hypothesis $H_0:p\leq0.25$, the alternative hypothesis $H_a:p > 0.25$, and the test statistic $z\approx1.63$.
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the placebo effect is a real thing!!!! how people feel has an effect on…
C. smile, D. act nice
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measures of central tendency: mean, median, mode, range find the mean, …
1) Mean: 22, Median: 19.5, Mode: 12, Range: 26 2) Mean: 22.9, Median: 22, Mode: 5, Range: 43 3) Mean: 38.22, Median: 34, Mode: 13 and 34, Range: 56 4) Mean: 74.83, Median: 78.5, M…
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consider sample data with x = 25 and s = 5. (a) compute the coefficient…
(a) 20% (b) Lower Limit: 15, Upper Limit: 35
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what does \tener\ mean? to have to do to eat
To have
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recall the defining formula used to compute the population standard dev…
$2.99$
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read the passage. a recent water quality report for park glorious has r…
The author believes the city council is to blame for the park's water conditions.
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which best describes data that is observational? qualitative quantitati…
Qualitative data can be observational, but quantitative data can also be observational. However, if we have to choose one from the given options, qualitative is more commonly asso…
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we have calculated $(x - \\bar{x})^2$ for each data value in the data s…
\(3.35\)
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who invented the hamburger? many different cultures, towns, and restaur…
Many different cultures, towns, and restaurants have tried to "steak" the claim of creating the first mouth - watering burger, but the truth is, it developed with small changes ov…
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the three marketing management philosophies are ______. production, pri…
production, sales, and market orientations
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hwans language arts class read a poem about the power of kindness. alth…
B. It influenced his opinion about kindness.
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friends who have similar hobbies can be an inspiration to each other. f…
C. someone who makes you excited to do something
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the movement of the progress bar may be uneven because questions can be…
C. informal definition
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in the story, the author includes the goldfish as an example of an arch…
The author uses the goldfish archetype to add symbolic meaning, potentially representing hope or a means for Sergei to have his wishes. Cite relevant text details for support.
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there are 2 types of variables... mark both types □ independent... also…
Independent... also known as the manipulated Dependent... also known as the data collected
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data for four people running name distance anton 3.2 miles betsy 3.4 mi…
B. Betsy
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mosaic plot a mosaic plot is yet another variation of a bar graph that …
Height: Relative frequency within subgroup. Width: Proportion of subgroup to whole.
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questions 4 and 5 refer to the following. “the second chief and princip…
A. Native Americans and Europeans partnered for trade.
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select the correct answer. the line “et tu, brute?” is a popular allusi…
C. The character feels surprised or betrayed.
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plato: and when they are housed, they will work, in summer, commonly, s…
Both authors use asyndeton, leaving out conjunctions to increase intensity and pacing.
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which two statements about conditional probability are true? a. conditi…
C. Conditional probability, $P(A|B)$ is the probability of event $A$ occurring given that event $B$ has occurred. F. The probability that it is raining if we already know it is cl…
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what does the word foreseeable mean as used in paragraph 5? observed an…
B. Anticipated
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segmented / stacked bar graph a segmented bar graph is another variatio…
Comparison: Side - by - side shows individual values, segmented shows proportions. Advantage: Clearly shows part - to - whole relationships.
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a two - way table describes the relationship between two categorical va…
16 represents the number of children with contacts. 54.7% represents the percentage of adults with no eye - wear. One advantage of using a segmented bar graph: It clearly shows pa…
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how would the meaning of \an indians view of indian affairs\ most likel…
It would appear as an accusation rather than a plea.