Estadística
Análisis de datos, distribuciones de probabilidad y pruebas de hipótesis.
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the dot plot of time (in minutes) it takes employees to drive to work i…
15
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the dot plot of time (in minutes) it takes employees to drive to work i…
The mean is $\boxed{18.8}$ (rounded to one decimal place).
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identify any clusters, gaps, or outliers in the histogram. model year 2…
A. There is a cluster between 475 miles and 525 miles, F. There is a gap between 225 miles and 275 miles
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the scores and their percent of the final grade for a statistics studen…
91.60
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for the month of april, a checking account has a balance of $561 for 21…
738.27
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the mean scores for students in a statistics course (by major) are show…
89.00
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the gas mileages (in miles per gallon) for 35 cars are shown in the fre…
32.4
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the number of hospital beds in a sample of 20 hospitals is shown below …
| Class | Frequency | |------------|-----------| | 130–164 | 7 | | 165–199 | 6 | | 200–234 | 3 | | 235–269 | 3 | | 270–304 | 1 | For the histogram shape: The left (lower) classes …
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the number of hospital beds in a sample of 20 hospitals is shown below.…
| Class | Frequency | |-------------|-----------| | 129–165 | 9 | | 166–202 | 4 | | 203–239 | 3 | | 240–276 | 3 | | 277–313 | 1 | For the histogram shape: The frequencies start hi…
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during a quality assurance check, the actual contents (in grams) of six…
### Part (a) #### Mean Calculation # Explanation: ## Step1: Sum the data values We have the data: \(1527, 1526, 1506, 1515, 1528, 1516\). The sum \(S\) is calculated as: \(S = 152…
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the weights, in pounds, of packages on a delivery truck are shown in th…
A. The median represents the center of the data set. ### Part 2: Finding the Mode
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fahrenheit 451 – reading assignment 7 analysis questions for pages 88-9…
In the dialogue from “Doesn't everyone look nice!” to “Swell!”, the ladies talk about how people look in a very superficial way, focusing on appearances rather than anything meani…
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the weights, in pounds, of packages on a delivery truck are shown in th…
A. The mean is \(29.4\)
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find the mean, median, and mode of the data, if possible. if any of the…
Mean: \(60.3\) minutes, Median: \(60.5\) minutes, Modes: \(72\) minutes and \(113\) minutes
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if a part of a design is emphasized, what is it meant to do? select fou…
A. stand out, C. catch the viewer’s attention, D. contrast with the rest of the piece, E. differ in terms of color, shape, texture, or size
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the tuition and fees (in thousands of dollars) for the top 14 universit…
Mean: \(\approx 42.64\) (thousand dollars), Median: \(44\) (thousand dollars), Mode: \(44\) (thousand dollars)
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the ages of the members of a legislature from a particular state are li…
- Mean: \(\approx 46.11\) - Median: \(44\) - Mode: \(44\)
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4. a researcher suggests that small doses of hyaluronic acid (ha) will …
- **Null Hypothesis (\(H_0\))**: Small doses of hyaluronic acid (HA) do not promote water uptake in human skin and do not reduce symptoms of dryness and dehydration (i.e., there i…
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some people will tell you those treaties arent valid anymore and they s…
According to Mankiller, the people who say that old treaties are invalid because of their age are wrong. Many old documents around the world are still valid, including the United …
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question 13, 2.2.34 part 2 of 2 hw score: 95%, 15.2 of 16 points points…
The stem - and - leaf plot shows that most data values are between 16 and 27. The dot plot shows that the values 2.6 and 3.2 occur the most often, with \(\boldsymbol{2.6}\) (or \(…
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use a stem-and-leaf plot to display the data, which represent the numbe…
- Stem 2: 5, 9 - Stem 3: 0, 2, 2, 3, 5, 5, 6, 6, 6, 6, 8 - Stem 4: 0, 0, 0, 0, 0, 0, 0, 7, 8 - Stem 5: 4
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use a stem-and-leaf plot to display the data, which represent the score…
- Stem 6: Leaves 8, 8, 9 - Stem 7: Leaves 2, 5, 5, 6 - Stem 8: Leaves 0, 2, 3, 5, 5, 7, 7, 8 - Stem 9: Leaves 0, 1, 1, 1, 2, 4, 5, 8 (Pattern: Most scores are in the 80s and 90s, …
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question 11 a statistician wants to obtain a systematic random sample o…
52, 165, 278, 391,... (The pattern continues by adding 113 to the previous number for each subsequent sample member) For the first few blanks (the next three numbers after 52): 16…
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question 11 a statistician wants to obtain a systematic random sample o…
113
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a statistician wants to obtain a systematic random sample of size 65 fr…
103, 215, 327, 439, ... (The next number after 103 is 215, then 327, then 439, and so on, adding 112 each time until we reach the 65th term, ensuring it does not exceed 7285.)
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3. in a city, a list was obtained from each of the 5 neighborhoods in t…
The correct sampling method is **Stratified Random Sample** (because the population is divided into strata (neighborhoods), and a random sample is drawn from *each stratum*, unlik…
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directions: for each question below, please select the technique that m…
The technique is **Convenience Sampling** (assuming this is an option; if options include it, select the one labeled with "Convenience Sampling"). If the dropdown options are stan…
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which kind of investigations are meant to provide large amounts of info…
C. descriptive
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which of the following sequence of numbers means \zero, ten, one hundre…
A. cero, diez, cien, mil
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today’s ai is called “narrow ai,” which means it’s great at one thing. …
"narrow AI" means it's great at one thing. ### Question 2
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which of the following sequence of numbers means \fourth, fifth, sixth\…
C. cuarto, quinto, sexto
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choose the time below that corresponds to the time in the following sen…
A. A las once y media
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if the familys net monthly income is $7,800, what percent of the income…
60% (corresponding to the option "60%")
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calculating probability use the image to answer the question. letitia t…
Yellow: \(\frac{1}{3}\) Green: \(\frac{2}{9}\) Purple: \(\frac{1}{9}\) Pink: \(\frac{1}{3}\)
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which sentence below has the same meaning as the followin la profesora …
D. La profesora me lo da.
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the figure above is the graph of an invertible function f(x). use the f…
To solve for \( f^{-1}(y) \), we use the property of inverse functions: if \( f(a) = b \), then \( f^{-1}(b) = a \). This means we need to find the \( x \)-value (input) that give…
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choose the spanish verb that means \to bring.\ a. traer b. recoger c. l…
A. traer
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choose the spanish verb that means \to recommend.\ a. aconsejar b. requ…
C. recomendar
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choose the spanish verb that means \to order.\ a. proseguir b. traer c.…
C. pedir
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select the correct text in the passage. which word in this excerpt from…
Repugnant
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question 10 59 randomly selected students were asked how many siblings …
\( 3.1864 \) ### Median Calculation
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copyright 1960 by harper lee what is the meaning of spurious as it is u…
invalid or untrustworthy
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what does the phrase ... menos diez mean in english when referring to t…
D. ten minutes until the hour (assuming the last option is labeled D; if the original options had labels like A - D with the last being D, else adjust the label as per the origina…
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question 9 the following refer to the following data set: 83 43 52 92 7…
s: Mean: \( 67.7 \) Median: \( 65 \) Mode: \( 92 \)
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the list below shows the ages (in years) of 10 people riding in a van t…
Mean = \(14.8\) years Median = \(14\) years
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think about 6 ÷ \\frac{2}{3}. how can you find the number of \\frac{2}{…
$\frac{3}{2}$
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in a city with three high schools, all the ninth graders took a standar…
85.3
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in california, we need more rain to sustain the health of our natural e…
s: Mean: \(4.0\) inches Median: \(4\) inches Mode: \(6\) inches
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match each spanish demonstrative with its meaning based on proximity an…
- aquel niño : that child far away - aquellos niños : those children far away - este niño : the boy sitting right next to me - esas niñas : the girls sitting next to you
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\why shoot, i thought you wanted to be a lawyer, youve already commence…
She disapproves of Scout’s behavior and thinks it could negatively affect her future.
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temperatures in june in the paradise city are distributed nearly normal…
89.2
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think about the division expression ( 1\frac{2}{5} div \frac{3}{5} ). d…
First, convert the mixed number \(1\frac{2}{5}\) to an improper fraction: \(1\frac{2}{5}=\frac{1\times5 + 2}{5}=\frac{7}{5}\). Then, the division expression becomes \(\frac{7}{5}\…
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responsibilities, duties, and obligations of citizenship 4. determine c…
A good U.S. citizen should contribute to society, fulfilling civic duties (e.g., voting, community service, obeying laws) and actively participating to support the republic.
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participants’ evaluation of the likelihood that robots can work effecti…
C. 82% of participants believe that it is somewhat or very likely that a robot could work effectively as a tour guide, but only 16% believe that it is somewhat or very likely that…
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basics of democracy close reading foundations of democracy 1. summarize…
### Five Basic Notions of Democracy (and Meaning to U.S. Citizens) | Notion | Definition | Meaning to a U.S. Citizen | |-------------------------|---------------------------------…
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chapter 2: measures of center and spread score: 1/10 answered: 1/10 que…
A. mean, standard deviation
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this data is from a sample. calculate the mean, standard deviation, and…
Mean = $26.59$ Standard Deviation = $10.69$ Coefficient of Variation = $40$%
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description\tweight\tnumber of errors complaints reopened\t3\t145 damag…
171.420
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each day, a fedex competitor processes approximately 65,000 shipments. …
$0.877$
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read each scenario and determine the cause of invalid data. renata want…
Incomplete data collection (did not survey all 30 classmates, resulting in only 13 data points). ### For Nev's scenario:
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vocabulary check. select the option that best identifies the use of the…
d. To express strong objection. ### Question 2
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then he straightened up and waved a big paw. \lets clear out,\ he calle…
unexpressive
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youve finished the script and are ready to record the video. what does …
D. Convert (sound or a performance) into permanent form for later reproduction
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you get in touch with your friend taylor and tell him all about what’s …
C. You contact Taylor by calling or texting him.
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4. which of these most accurately describes what justice abe fortas sai…
c. Students do not shed their constitutional right to free speech at the schoolhouse gate. ### Question 5
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attached to this email, youll find a numbered certificate that can be u…
A. Thank you
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permission to use the images and music from the video game. which of th…
The second paragraph (the one starting with "I'm writing to ask permission to use your video game images and music. I've been playing your game since it was launched...")
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8 true or false 10 points the current view of trait anxiety is that it …
True ### Question 9
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world—from china to europe to egypt. theyve appeared in both modern and…
The book introduction is about the history of dragons, while the online text gives background information.
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you and the group of travelers finally reach the cave and plan how you’…
D. The travelers have courage and determination.
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a pop-up screen appears with the following message: \the journey to the…
C. To plan ahead
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3. which statement best identifies how the text describes the relations…
B. Participation in bullying may be part of the process of adapting to the culture of middle school and changes by age and gender through eighth grade.
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the movement of the progress bar may be uneven because questions can be…
not normal
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the movement of the progress bar may be uneven because questions can be…
D. not normal
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read the excerpt from \civil peace\ by chinua achebe. jonathan iwegbu c…
The story takes place right after a war.
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read the passage from lord of the flies by william golding. ralph overr…
A. society’s dependence on authority
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part: 1 / 2 part 2 of 2 analyze the data. the times range from 11 to 33…
Gaps at 16 and $\boldsymbol{23}$ minutes, peak at $\boldsymbol{21}$ minutes. First cluster 11 - $\boldsymbol{15}$, second 17 - $\boldsymbol{22}$, third 28 - $\boldsymbol{34}$.
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identifying universal themes ralph turned to the shelter and lifted a b…
the tension between freedom and responsibility
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question 12 of 16 (1 point) | question attempt: 1 of 3 part: 1 / 2 part…
The range is \( \boldsymbol{15} \). The most likely number of years is \( \boldsymbol{0} \). (For the "There Select" part, more context on the dropdown is needed, but based on giv…
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read the source of the allusion. in a j. m. barrie book, the character …
a person who will not act like an adult
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read the source of the allusion. in an old fable, a wolf dresses in a s…
someone who seems harmless but isn't
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read the source of the allusion. in the book the adventures of pinocchi…
a sign that someone isn't being truthful
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read the source of the allusion. in his novel lost horizon, james hilto…
a perfect place
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read the source of the allusion. in the fairy tale the pied piper of ha…
a leader who gathers many followers
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read the source of the allusion. in classical mythology, hercules strug…
difficult to control or contain
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read the source of the allusion. in greek mythology, the prince cadmus …
the cause of a fight or struggle
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read the source of the allusion. in lewis carroll’s alice’s adventures …
on a strange and surprising journey
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read the source of the allusion. in the folktale, chicken little is hit…
a person who spreads scary but false news
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read the source of the allusion. in greek mythology, a titan is a membe…
someone large and strong
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read the source of the allusion. in greek mythology, the gods send pand…
a source of many problems
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read the source of the allusion. in the movie the wizard of oz, the \wi…
someone who pretends to be something he isn't
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read the source of the allusion. in one of aesops fables, a magical goo…
something that makes money
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read the source of the allusion. during the middle ages, knights search…
something wanted very much but hard to get
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read the source of the allusion. in greek mythology, the muses are nine…
someone who encourages and inspires others
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read the source of the allusion. in one of aesops fables, a country mou…
someone who prefers safety over riches
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question 2 (multiple choice worth 3 points) (lesson 3.4 lc) this road s…
A. be aware of large trucks on the roadway
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true or false: when calculating the probability of two or more events h…
True
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question 37 of 42 your boss would like to see the progress of your proj…
a Gantt chart
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what does it mean when earned value is above planned value? select an a…
More work has been completed than planned, and the task or project is ahead of schedule.
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read the passage from lord of the flies by william golding. jack stood …
the tension between freedom and responsibility