Statistiques
Analyse de données, distributions de probabilités et tests d'hypothèses.
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question 10 of 14 what is the mean of this data set? if necessary, roun…
A. 50.4
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question 9 of 14 what are the more appropriate measures of center and s…
B. Better measure of center: the median A. Better measure of spread: the interquartile range (IQR)
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question 8 of 14 what is the standard deviation of this data set? use a…
B. 14.1
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question 7 of 14 a city survey of two neighborhoods asked residents whe…
C. 17%
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question 6 of 14 in a survey, adults and children were asked whether th…
D. A smaller percentage of adults (24%) prefer hamburgers.
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question 5 of 14 in a survey, 300 adults and children were asked whethe…
D. 65%
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question 4 of 14 if the mean of a symmetric distribution is 82, which o…
A. 82
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which statement about priorities is correct? a) establishing priorities…
C. Priorities can change from week to week.
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question 3 of 14 which of the following best describes the data distrib…
C. Positively skewed
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question 1 of 14 what is the interquartile range (iqr) of this data set…
A. 11
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what is the meaning of the word diaphanous as used in the passage? as a…
# Breve explicación: En el contexto, se menciona que el material diaphanous complementa el seda densa y se describe como "sheer" (trasparente). Esto sugiere que es delgado y trans…
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the declaration of independence refers to the rights of life, liberty, …
B. Indisputable
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read the problem, then define the variables. ben has a $40 gift card fo…
Let $x$ = the number of songs; Let $y$ = the number of audiobooks
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read the problem, then define the variables. ben has a $40 gift card fo…
possible combinations of numbers of songs and numbers of audiobooks Ben may buy
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10. the managers of a corporation were surveyed to determine the backgr…
$\frac{1}{39}$
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read the problem. a package of paper straws comes with 200 straws, and …
50
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b) the probability that none of the 3 randomly selected math 164 studen…
b) \(p^{3}\) (where \(p\) is the probability of a single student not transferring) c) \(1 - p^{3}\) (where \(p\) is the probability of a single student not transferring)
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56% of u.s. adults have very little confidence in newspapers. you rando…
$0.238$
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9. (3pts each) the probability that a randomly selected math 164 studen…
$0.216$
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read the sentence. the man was sensible enough to stop driving when he …
a. having sense
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which word means \under\? (a) brother (b) beneath (c) behind (d) breakf…
B. beneath
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read the sentence. taking a pretest can help prepare a student for an i…
A. a test before
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which of the following is a cost of urban development? a. fragmentation…
A. Fragmentation of habitats, B. Pollution
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8. (1pt) determine whether the events e and f are independent or depend…
① independent
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2. the scatter plot shows a bus stop where those waiting at the bus are…
Alice - 1 Brenda - 3 Cathy - 7 Dennis - 4 Errol - 2 Freda - 5 Gavin (not plotted alone but with Freda)
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7. find the probability of the indicated event if p(e)=0.35 and p(f)=0.…
(a) $0.25$ (b) $0.5$ (c) $0.65$
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question 1 consider the following table. here x is a random variable wi…
No. The sum of all probabilities exceeds 1.
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due: monday, october 6, 2025 at 11:59 pm read the attached pdf on econo…
1. Customs, traditions, and cultural beliefs. 2. Through family - based or clan - based structures. 3. Production, distribution, consumption. 4. The government. 5. Lack of consume…
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5. (5pts) the sample space for tossing three fair coins is {hhh, hht, h…
$\frac{3}{8}$
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4. (3pts) use the linear correlation coefficient given to determine the…
$0.4356$
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after you help alexa overcome a challenging level, she posts a message …
C. Chris, that's not fair. Alexa is sharing her feelings and we need to respect that. Let's try and figure out the reason why Alexa feels like that. It will make her feel more inc…
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what does the constitutional guarantee of freedom of the press mean for…
They can report the news without getting the government's permission.
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3. (5pts) the regression line for the given data is y = 2.097x - 0.552.…
$0.649$
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which federal agency calculates the consumer price index (cpi)? us depa…
US Bureau of Labor Statistics
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the scientists followed a careful method to study the mummy. which phra…
D. way to do something
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the ages of the people in attendance at the showing of an award - winni…
The data is symmetrical, showing that the majority of the attendees were between the ages of 21 and 60.
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across 5 the use of math to solve real - world problems. 7 to determine…
Across 5: Applied Math Across 7: Calculate Across 8: Estimate Across 9: Percentages Across 10: Workplace Down 1: Convert Down 2: Forms Down 3: Graphic Literacy Down 4: Rates Down …
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the amount of rainfall each month over the past four years is shown bel…
The data is skewed, showing that the majority of the monthly rainfall amounts was less than 2.01 or greater than 4 inches.
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bobbys football team received four five - yard penalties in the first q…
20 yards
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the number of text messages that reza sent each day so far in this bill…
The data is skewed and shows that he typically sent about 6 to 8 text messages per day.
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please complete the crossword using your vocabulary terms. across 5 the…
Across: 5. Applied Math 7. Calculate 8. Estimate 9. Percentages 10. Workplace Down: 1. Convert 2. Forms 3. Graphic Literacy 4. Rates 6. Units
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equations w/ distribution (lev 3) penalty: none solve for x: -x - (-7x …
$x=\frac{13}{2}$
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question 2: what is the most likely meaning of the word condemned based…
B. Declared unfit for use
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directions: reread paragraph 19 of the text. then, answer the following…
B. "The lead story on channel 2 was the revolt of the Cypress Bay fans... 'The lead story on channel 2 was the revolt of the Cypress Bay fans. The visitors' bleachers were condemn…
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the admissions department at a community college tracks enrollments. ca…
Increased and then decreased
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what does the author mean by describing coffees history as complex as i…
- Primera pregunta: Coffee's history involves both positive cultural impacts and serious ethical problems - Segunda pregunta: Coffee provided energy and alertness that soldiers ne…
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the admissions department at a community college tracks enrollments. ca…
2300
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which of the following is an accurate statement regarding extortion and…
C. While bribery is offering something to obtain a desired result, extortion involves a threat if the victim does not give money or property.
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directions: read to kill a mockingbird from the beginning of ch. 6 on p…
The boys are really planning to peek into the Radley house.
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question 26 ethnographys main goal is to ○ develop quantitative data se…
understand the meanings people attach to their activities.
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if a researcher has obtained informed consent from all their study part…
participants understand the nature of the research and are participating freely.
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the movement of the progress bar may be uneven because questions can be…
The game is not fair because the probability of Hank drawing a winning letter is less than the probability of Rosa drawing a winning letter.
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a spinner is divided into five sections, each in a different color, as …
The probability that the arrow will point to red is more than $\frac{1}{5}$.
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the movement of the progress bar may be uneven because questions can be…
Mean, 49; Median, 48; Range, 3; Midrange, 49.5
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norberto received the following scores on his last five spelling tests:…
The mean of the set is less than the median.
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question 4 1 pts what does it mean for a sociologist to control for a v…
D. All factors except the independent variable are held constant
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corbin is an intern at the centers for disease control and prevention (…
C. quantitative research
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question 1 points 1 ¿cuál de las siguientes afirmaciones expresa 12pm? …
Es mediodía
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9. the word nomads most nearly means: a. delicious, mouthwatering, flav…
e. people who have no permanent home and who travel from place to place
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3. fast food and stress level fast food should be a minimal part of any…
(a) (This cannot be shown in text format, but the general idea is to draw a straight line that passes as close as possible to most of the data points on the scatter - plot.) (b) P…
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7. the word taboo most nearly means: a. made to feel uncomfortable beca…
b. prohibited, seen by society as unacceptable or improper
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6. the word fluctuated most nearly means: a. feeling shame or guilt or …
e. to change constantly, shift back and forth
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4. the word barricade most nearly means: a. to change constantly, shift…
d. a barrier usually as a block or defense
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3. the word embarrassed most nearly means: a. feeling shame or guilt or…
e. made to feel uncomfortable because of shame or wounded pride
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2. the word forlorn most nearly means: a. walk slowly and with heavy st…
e. pitifully sad and abandoned or lonely
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12. what is a population parameter? a. a characteristic of a sample b. …
D. A numerical characteristic of a population
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1. the word nooses most nearly means: a. steal (typically things of rel…
C. a loop with a running knot, that tightens as the rope is pulled
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10. which sampling method divides a population into subgroups and selec…
B. Stratified sampling
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the crucible act i analysis 1. why is reverend parris praying at the be…
1. He is praying because his daughter Betty is ill and he is worried about his reputation if witchcraft is suspected in his household. 2. He saw the girls dancing, which is a sin …
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1. title: whether you were a patrician or a plebeian, your status was d…
1. - Descriptions of a Plebeian: 1. Most Romans were Plebeians. 2. Not as wealthy as Patricians. 3. Required to pay taxes and serve in the military. 4. Had little say in governmen…
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8. which of the following best describes the expected value? a. the max…
C. The average outcome expected
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read the excerpt from its our world, too!: young people who are making …
# Breve explicación: El autor incluye hechos y detalles sobre cómo los fanáticos gritaban insultos raciales y cómo Netto y Andy reaccionaron. Estos detalles ayudan a comprender el…
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6. if the sample size increases, what happens to the standard error? a.…
A. It decreases
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math 175 fall 2025 name: gabriela villar 1 - 29 - 2025 exam i show all …
Without the actual frequency distribution data, we cannot provide numerical values for class width, class mid - points, class boundaries and the number of individuals. But the met…
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topic: basic concepts of probability practice given the data below, det…
$\frac{68}{131}$
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when rolling a six - sided die, what is the probability of rolling a nu…
$\frac{1}{2}$
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question 7 which question is not answered by the article? a. when was t…
B. When was the American Civil War fought?
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quiz question 4 of 6 what does \pay yourself first\ mean? select a resp…
B. Put money in your savings account before you pay other expenses
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question 3 think about the events below. based on information in the ar…
D. The British military helped Turkey take on Russia in the Crimean War.
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make a word that means ot normal.\
irregular
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of war and whiskers creating connections social studies world history i…
C. Facial hair fashion trends will continue to evolve over time.
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of war and whiskers creating connections social studies: world history …
A. facial hair styles in Britain and the United States since the Crimean War
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traits matching which of the following images best describes... 1. ____…
1. F. (Molesto means annoying, and the image shows a confrontational scene suggesting annoyance) 2. A. (Chistoso means funny, and the image shows two people laughing) 3. C. (Timid…
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7. the data represent the number of cans collected by different classes…
a. 18.5 b. 16 c. The mean decreased from 18.5 to approximately 15.45 and the median decreased from 16 to 14. The mean is more affected by the removal of the outlier 42 as it is se…
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read this sentence: late for class, lula ran down the hall like an arro…
C. The simile suggests that Lula is running very quickly.
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5. what is the iqr? (lesson 1 - 11) a. 5 branches b. 7 branches c. 10 b…
5. A. 5 branches 6. A. bell - shaped, D. symmetric, E. uniform
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the accompanying table shows the ages (in years) of 11 children and the…
The critical value is $0.735$. There is not enough information given in the problem to determine if there is sufficient evidence (we would need the calculated correlation coeffici…
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when eight basketball players are about to have a free - throw competit…
\(\frac{1}{40320}\)
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the physical or psychological need for a drug is called tolerance drug …
Question 1: C. addiction Question 5: A. they need more of the drug to feel the same effect Question 6: A. side effect
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a presidential candidate plans to begin her campaign by visiting the ca…
$\frac{1}{117600}$
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3. refer to the data set. 1 2 3 3 4 4 4 4 5 5 6 7 a. what happens to th…
a. The mean increases from \(4\) to \(9.25\) and the standard deviation increases from approximately \(1.65\) to approximately \(18.94\). b. The median is not affected by the outl…
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practice standard deviation 1. the shoe size for all the pairs of shoes…
1. a. 7 b. 0 2. A. 5 points
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if you are charged with selling/providing/delivering alcoholic beverage…
$500
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a thief steals an atm card and must randomly guess the correct three - …
The number of possible codes is 512. The probability of a correct guess on the first try is $\frac{1}{512}$.
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you want to obtain cash by using an atm, but its dark and you cant see …
a. A. The probability is $\frac{1}{4}$ b. A. The probability is $\frac{3}{16}$
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you want to obtain cash by using an atm, but its dark and you cant see …
A. The probability is $\frac{1}{4}$
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choose the meaning of the italicized word in the following sentence. ¿c…
ayer
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7. the histogram represents the distribution of lengths, in inches, of …
a. Not possible. Need mid - points of intervals and frequencies to calculate mean. b. Not possible. Need exact data values to order for median. c. Yes d. No
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question 4 (1 point) retake question consider the bar graph given below…
11.76%
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the bar plot summarizes the test scores for 100 students. which term be…
C. skewed