Statistiques
Analyse de données, distributions de probabilités et tests d'hypothèses.
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select the most appropriate response. which of the following statements…
Averages calculated from larger samples will be less variable.
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the central limit theorem may be used to conclude that the sampling dis…
the sample size is 30 or more
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18 select the most appropriate response. 4 points the probability distr…
18. sampling distribution of the mean 19. normal distribution 20. normal distribution
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text - dependent questions directions: for the following questions, cho…
1. A. Friendship can come from the most unlikely places. 2. B. upset 3. D. Willie wants to know more about the man's unhappiness, while his mother does not want Willie to have any…
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multiple choice 4 points find the indicated percentage. the heights of …
16. 2% 17. 51,340
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find the area of the shaded region. the graph to the right depicts iq s…
$0.4318$
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multiple choice 4 points find the indicated probability. an airline kno…
14. \(0.8314\) 15. \(96.26\%\)
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find the indicated probability. an airline knows from experience that t…
C. 0.8944
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identify the z - score corresponding to the indicated percentile. for t…
C. 0.67
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find the indicated probability. use the standard normal distribution to…
0.9270
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find the indicated probability. use the standard normal distribution to…
C. 0.4878
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find the indicated area. find the area under the standard normal curve …
C. 0.9332
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find the indicated area. find the area under the standard normal curve …
A. 0.1587
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question 8 (2 points) (02.01 mc) read the sentence. then answer the que…
D. Synonym
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find the indicated area. find the area under the standard normal curve …
A. 0.4987
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find the indicated area. find the area of the indicated region under th…
0.0968
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if x is a normal random variable with a mean of 20 and standard deviati…
B.
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select the most appropriate graph. if x is a normal random variable wit…
We cannot see the actual content of the graphs A, B, C, and D clearly from the provided image. But in a normal distribution with mean $\mu = 20$ and standard deviation $\sigma = 2…
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select the most appropriate graph. if x is a normal random variable wit…
We cannot provide the answer without seeing the actual details of the graphs (A, B, C, D). But the correct graph should be symmetric about the vertical line $x = 20$. If we assume…
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determine the indicated interval. multiple choice 4 points for a normal…
from 1 to 15
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multiple choice 4 points select the most appropriate response. one norm…
The second normal curve
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select the most appropriate response. what is the term for the number o…
A. z score
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experiēris nōn diānam magis montibus quam minervam inerrāre. vale. 8. t…
8. You will experience that Diana dwells in the mountains no more than Minerva. Farewell. 9. Diana: Wilderness, hunting, moon. Minerva: Wisdom, strategic warfare, arts and crafts.…
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details from the text that a reader can use to support his or her ideas…
paraphrase - to restate an entire passage from a text in your own words prompt - a statement about a particular topic, idea, or issue, followed by questions that work to inspire o…
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calculate the standard deviation for a sample with 11 scores: 3, 4, 6, …
5.87
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calculate the variance for a sample with 11 scores: 3, 4, 6, 7, 9, 11, …
D. 34.40
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you collect job satisfaction ratings from three employee groups, and th…
3 (the yellow curve)
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calculate the standard deviation for a sample with 11 scores: 12, 7, 5,…
A. 3.41
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calculate the variance for a sample with 11 scores: 12, 7, 5, 16, 8, 10…
11.60
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rhonda will calculate the mean, median, mode, and range of the data for…
D. Median and mode
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what is the denominator when calculating the variance and standard devi…
$n - 1$
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casca. indeed they say the senators tomorrow mean to establish caesar a…
This decision will cause Cassius to act on his plans more urgently.
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in this problem, round to 4 decimals. food allergies affect an estimate…
$0.9853$
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question 1 which of the following is not a measure of variation? standa…
B. Mean
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7 rhonda recorded the numbers of shells she collected on each of 8 days…
$25.375$
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proinde cum vēnābere, licēbit auctōre mē ut pānārium et lagunculam sic …
6. Since 7. You will hunt 8. With me as the guide 8. You will experience that Diana wanders in the mountains no more than Minerva. Farewell. 9. Diana: Hunting; Minerva: Wisdom 10.…
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date: 10/5/25 magister howard pliny letter 2 (part 2) explorations 6 nō…
1. You should not despise this kind of study. It is remarkable that the mind is excited by physical activity and movement. 2. Pliny claims that the mind can be excited by physical…
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an airliner carries 150 passengers and has doors with a height of 75 in…
c. C. The probability from part (a) is more relevant because it shows the proportion of male passengers that will not need to bend d. B. Since men are generally taller than women,…
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an airliner carries 150 passengers and has doors with a height of 75 in…
C. The probability from part (a) is more relevant because it shows the proportion of male passengers that will not need to bend
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an airliner carries 150 passengers and has doors with a height of 75 in…
$1.0000$
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an airliner carries 150 passengers and has doors with a height of 75 in…
$0.9839$
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before every flight, the pilot must verify that the total weight of the…
A. Yes. Because the probability is high, the pilot should take action by somehow reducing the weight of the aircraft.
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before every flight, the pilot must verify that the total weight of the…
$0.7389$
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before every flight, the pilot must verify that the total weight of the…
$1.0000$
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this means: example 3 (*fluency practice with pre - requisite) find the…
a. For Example 3: $\frac{3}{4}$; For Example 3 Check: $\frac{7}{12}$ b. For Example 3: $0$; For Example 3 Check: $-\frac{2}{5}$
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3. the ages in years are recorded for a sample of 697 visitors to a mus…
A. It's possible that none of the individuals in the sample were exactly 26 years old.
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voici la compilation des votes pour la présidence de la classe. remplis…
| Choix | Pourcentages (%) | |--|--| | Dorothée | 12.0 | | David | 38.0 | | Juliette | 20.0 | | Derek | 28.0 | | Dylan | 2.0 |
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the ages in years are recorded for a sample of 697 visitors to a museum…
A. It’s possible that none of the individuals in the sample were exactly 26 years old.
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3. the ages in years are recorded for a sample of 697 visitors to a mus…
A. It's possible that none of the individuals in the sample were exactly 26 years old.
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the age of children in kindergarten on the first day of school is unifo…
a. $5.3750$ b. $0.2858$ c. $0.1717$ d. $0.3030$ e. $5.1968$
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2. a sample of 250 songs from spotify was analyzed using a special algo…
C. The mean must be 72 since the distribution is skewed to the right.
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the round off errors when measuring the distance that a long jumper has…
a. 2.2500 b. 1.2990 c. 0.0000 d. 0.5778 e. 0.7778 f. 0.7179 g. 0.8100 h. 1.1250
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describing the properties of polynomial addition. what do the propertie…
The closure property states that the sum of two polynomials is a **polynomial**. The commutative property states that changing the order of two or more terms **does not change** t…
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a sample of 250 songs from spotify was analyzed using a special algorit…
C. The mean must be 72 since the distribution is skewed to the right.
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a bus comes by every 12 minutes. the times from when a person arives at…
a. 6.0000 b. 3.4641 c. 0.3333 d. 0.0707 e. 10.6800
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2. a sample of 250 songs from spotify was analyzed using a special algo…
C. The mean must be 72 since the distribution is skewed to the right.
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below are the probabilities associated with x = number of cancer surviv…
1. The cumulative probability of 2 is 0.85. 2. The probability of no cancer survivors who are centenarians is 0.30. 3. The probability of 3 or more centenarian cancer survivors is…
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1. in minneapolis, the low temperatures in degrees fahrenheit for nine …
C. Changing the highest temperature from a 12 to a -12 will lower both the mean and the median.
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a random number generator picks a number from 4 to 61 in a uniform mann…
a. 32.5 b. 16.4317 c. 0 d. 0.6140 e. 0.7018 f. 0.3043 g. 34.21 h. 46.75
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read the excerpt from my story. here it was, half a century after the f…
the anger black people felt
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question 2 24 pts match the given scenario with the appropriate graphic…
1. scatterplot 2. segmented bar chart 3. box plot 4. side by side boxplot
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free silver meant giving away, for free, silver coins to every american…
1. B. False 2. C. Minting them meant "dancing" around government restrictions on minting coins.
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golden age and ottoman empire quick check summarize why judith herrin b…
Scholars fled with knowledge that sparked the Renaissance in Europe.
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golden age and ottoman empire quick check analyze why the conquering of…
It solidified Islam as a faith and one backed by military support.
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read the excerpt from roll of thunder, hear my cry. t.j. gulped and lea…
The author shows that when T.J. needs help, he turns to a friend he can trust.
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finding inputs and outputs in a story context a local catering company …
The cost for having 20 people served is 215 dollars. The cost for having 6 people served is 89 dollars.
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finding inputs and outputs in a story context you purchase 130 bananas …
The profit from selling 68 bananas is 27.12 dollars. The profit from selling 92 bananas is 41.28 dollars.
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read this paragraph from the dark game. another thing that changed very…
During the Civil War, intelligence was gathered in the same ways it had been gathered in previous wars.
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catalina la grande (1762 - 1796) continuó las políticas de expansión y …
8. Crimea 9. Nakaz 10. nobleza 11. Ilustración 12. la servidumbre 13. c) Una guía para reformas legales 14. b) Promoviendo las artes y la educación 15. d) Se mantuvo y se expandió…
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which is most likely the correlation coefficient for the set of data sh…
-0.83
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the table shows the height, in meters, of an object that is dropped as …
A. According to the line of best fit, the object would have hit the ground 0.6 seconds later than the actual time the object hit the ground.
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the equation for the line of best fit is f(x) ≈ 1.8x - 5.4 for the set …
1. First, substitute \(f(x) = 30\) into the equation \(f(x)=1.8x - 5.4\). We get the equation \(30 = 1.8x-5.4\). 2. Then, add \(5.4\) to both sides of the equation: - \(30 + 5.4=1…
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consider the plot created from the residuals of a line of best fit for …
Yes, the points have no pattern.
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the graph shows the exponential regression model for data representing …
The graph of the regression model can be used to predict the population size for any number of years in the future.
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the table shows the average number of hours of daylight per day for the…
-0.993
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a residual plot is shown. which statements are true about the residual …
- The equation for the line of best fit is not a good approximation for the data because the points have a curved pattern. - The residual plot has the pattern of a curve.
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jace gathered the data in the table. he found the approximate line of b…
-0.86
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directions: drag the tiles to the correct boxes to complete the pairs. …
condolence - feeling of sympathy contemplate - consider, think about discern - make out, understand, hear overwhelming - very strong, intense
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find the equation for the least squares regression line of the data des…
# Explicación: ## Paso 1: Calcular sumatorias Sean $x_i$ el número de palabras y $y_i$ el tiempo en minutos. Sea $n = 6$. Calculamos $\sum_{i = 1}^{n}x_i=1998 + 3538+3553 + 4669+5…
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use the least - squares regression line of this data set to predict a v…
$45.803$
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maura has noticed that her bike ride to work takes longer on some days …
2.222
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find the equation for the least squares regression line of the data des…
$y=-2.122x + 51.511$
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read the following description of a data set. a reporter for a college …
# Explicación: ## Paso 1: Sustituir el valor de x Dado que $x = 9221$, sustituimos en la ecuación $y = 0.311x-1856.997$. $y=0.311\times9221 - 1856.997$ ## Paso 2: Realizar la mult…
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which of the following is an example of an algebraic expression? * 4x +…
First question: $7x - 2y + 1$ Second question: $116$
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read the following description of a data set. melissa is a programmer i…
# Explicación: ## Paso 1: Identificar la ecuación de la recta La ecuación de la recta de regresión es $y = 2.423x+88.361$. ## Paso 2: Sustituir el valor de $x$ Sustituimos $x = 4.…
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read the following description of a data set. a large property develope…
59
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look at the graph below. calculate the standard deviation from the numb…
24
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look at the graph below. find the mean from the graph and enter that nu…
65
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how to read normal graphs: look at the graphs shown below and choose th…
Graph A: $\mu = 6,\sigma = 2$; Graph B: $\mu = 10,\sigma = 1$; Graph C: $\mu = 14,\sigma = 1.5$
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z - scores: in the previous 2 problems you saw that the areas to the le…
The z - scores are exactly the same for \(X = 501\) (elephant) and \(X = 254\) (human).
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z - scores: for human pregnancies, the population mean μ = 266 days and…
$-0.75$
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z - scores: in notes 5.1, exercise 4 at the bottom of the page, we shad…
$-0.75$
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read the following description of a data set. lunas baseball card colle…
# Explicación: ## Paso 1: Identificar el valor de x Dado que el conjunto tiene 16 años, entonces $x = 16$. ## Paso 2: Sustituir x en la ecuación de la línea de regresión Sustituim…
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read the following description of a data set. camille manages the stude…
# Explicación: ## Paso1: Sustituir el valor de x Sustituimos x = 15 en la ecuación $y = 0.043x+2.469$. $y=0.043\times15 + 2.469$ ## Paso2: Realizar la multiplicación Calculamos $0…
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read the following description of a data set. a bumper sticker company …
# Explicación: ## Paso 1: Identificar la variable x La variable x representa el número de miembros en el hogar. Aquí, x = 8. ## Paso 2: Sustituir x en la ecuación de regresión Sus…
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andres signed up for a streaming music service where theres a fixed cos…
The total cost to download 1 song is $5.74.
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subject - verb agreement: 7th grade worksheet subject - verb agreement …
1. b) The students walk to class. 2. c) sleeps 3. b) She writes letters every week. 4. b) plays 5. b) The birds sing in the morning.
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a somber mood settled over many of the early - morning arrivals tuesday…
A. melancholy
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to do so is an obvious politicization of the air - quality standard - s…
B. produced in a particular country
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explicit has the same or almost the same meaning as: literal secular te…
A. literal