Estadística
Análisis de datos, distribuciones de probabilidad y pruebas de hipótesis.
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the sixth grade is holding a canned - food drive. the number of cans co…
Lower quartile = 21 cans Upper quartile = 52 cans Interquartile range = 31 cans
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based on the scatter plot below, which is a better prediction for y whe…
34
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based on the scatter plot below, which is a better prediction for x whe…
6
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what is the best hook to begin the introduction of this speech? speech …
Imagine a neighborhood where everyone helps each other through volunteering.
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based on the scatter plot below, which is a better prediction for x whe…
6
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based on the scatter plot below, which is a better prediction for y whe…
6
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based on the scatter plot below, which is a better prediction for y whe…
8
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based on the scatter plot below, which is a better prediction for x whe…
42
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3. number of credit cards a bank vice president feels that each savings…
The mean is $1.34$, the variance is $0.9244$, and the standard deviation is approximately $0.9615$. The vice - president is not correct since the mean number of credit cards is $1…
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based on the scatter plot below, which is a better prediction for x whe…
4
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based on the scatter plot below, which is a better prediction for y whe…
5
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based on the scatter plot below, which is a better prediction for y whe…
61
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based on the scatter plot below, which is a better prediction for y whe…
29
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based on the scatter plot below, which is a better prediction for y whe…
60
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based on the scatter plot below, which is a better prediction for x whe…
5
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based on the scatter plot below, which is a better prediction for x whe…
67
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based on the scatter plot below, which is a better prediction for y whe…
45
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based on the scatter plot below, which is a better prediction for x whe…
8
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based on the scatter plot below, which is a better prediction for x whe…
2
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based on the scatter plot below, which is a better prediction for x whe…
26
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based on the scatter plot below, which is a better prediction for x whe…
5
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based on the scatter plot below, which is a better prediction for y whe…
73
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based on the scatter plot below, which is a better prediction for y whe…
48
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based on the scatter plot below, which is a better prediction for y whe…
4
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based on the scatter plot below, which is a better prediction for y whe…
5
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2. suit sales the number of suits sold per day at a retail store is sho…
Mean: $20.8$, Variance: $1.56$, Standard Deviation: approximately $1.25$, Number of suits to purchase for 5 days: 104
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does this scatter plot show a positive trend, a negative trend, or no t…
no trend
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does this scatter plot show a positive trend, a negative trend, or no t…
no trend
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does this scatter plot show a positive trend, a negative trend, or no t…
positive trend
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does this scatter plot show a positive trend, a negative trend, or no t…
no trend
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what does the word atify\ mean? to disagree with to form opinions on to…
to approve
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does this scatter plot show a positive trend, a negative trend, or no t…
no trend
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a survey was conducted at a high school to study which instruments stud…
10.00%
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does this scatter plot show a positive trend, a negative trend, or no t…
no trend
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does this scatter plot show a positive trend, a negative trend, or no t…
no trend
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sum of drawing a marble, noting the color, replacing the marble in the …
Since \(E(\text{black}) = 0.24\) and \(E(\text{red}) = 0.16\), Seth should choose to play black marbles.
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a survey was conducted at a high school to study pet ownership in diffe…
2.00%
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does this scatter plot show a positive trend, a negative trend, or no t…
no trend
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does this scatter plot show a positive trend, a negative trend, or no t…
positive trend
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does this scatter plot show a positive trend, a negative trend, or no t…
no trend
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does this scatter plot show a positive trend, a negative trend, or no t…
no trend
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a survey was conducted at a high school to study which instruments stud…
5.00%
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does this scatter plot show a positive trend, a negative trend, or no t…
positive trend
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does this scatter plot show a positive trend, a negative trend, or no t…
no trend
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select the correct answer. what is a population pyramid? a. a key piece…
A. a key piece of information commonly included in special purpose maps that displays a country's population broken down by age group and gender
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does this scatter plot show a positive trend, a negative trend, or no t…
no trend
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does this scatter plot show a positive trend, a negative trend, or no t…
no trend
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even functions a function is even when ★ it has symmetry with respect t…
Even functions: - Symmetry: y - axis - Equation: $f(-x)=f(x)$ - Input value: $-x$ Odd functions: - Symmetry: origin - Equation: $f(-x)=-f(x)$ - Input value: $-x$
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does this scatter plot show a positive trend, a negative trend, or no t…
no trend
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does this scatter plot show a positive trend, a negative trend, or no t…
no trend
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a scientist is studying tulips and daffodils. the scientist estimates t…
He can choose 10 tulips and 30 daffodils.
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does this scatter plot show a positive trend, a negative trend, or no t…
no trend
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does this scatter plot show a positive trend, a negative trend, or no t…
positive trend
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does this scatter plot show a positive trend, a negative trend, or no t…
no trend
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a high school student volunteers to present a report to the administrat…
convenience sampling
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does this scatter plot show a positive trend, a negative trend, or no t…
no trend
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does this scatter plot show a positive trend, a negative trend, or no t…
positive trend
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does this scatter plot show a positive trend, a negative trend, or no t…
negative trend
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does this scatter plot show a positive trend, a negative trend, or no t…
no trend
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6. in a game of craps using two dice, a person wins on the first roll i…
$\frac{2}{9}$
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does this scatter plot show a positive trend, a negative trend, or no t…
no trend
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ms. sanchez’s students were asked how many hours they spend participati…
2.2
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does this scatter plot show a positive trend, a negative trend, or no t…
no trend
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does this scatter plot show a positive trend, a negative trend, or no t…
no trend
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does this scatter plot show a positive trend, a negative trend, or no t…
no trend
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8. a survey of students in a school cafeteria had these results: • 50% …
8%
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does this scatter plot show a positive trend, a negative trend, or no t…
negative trend
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does this scatter plot show a positive trend, a negative trend, or no t…
positive trend
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does this scatter plot show a positive trend, a negative trend, or no t…
no trend
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does this scatter plot show a positive trend, a negative trend, or no t…
no trend
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melanie asked 15 random seventh - grade students how many soccer games …
C. $\frac{13}{15}$
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does this scatter plot show a positive trend, a negative trend, or no t…
no trend
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does this scatter plot show a positive trend, a negative trend, or no t…
no trend
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does this scatter plot show a positive trend, a negative trend, or no t…
no trend
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does this scatter plot show a positive trend, a negative trend, or no t…
negative trend
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does this scatter plot show a positive trend, a negative trend, or no t…
negative trend
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does this scatter plot show a positive trend, a negative trend, or no t…
no trend
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does this scatter plot show a positive trend, a negative trend, or no t…
no trend
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does this scatter plot show a positive trend, a negative trend, or no t…
no trend
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does this scatter plot show a positive trend, a negative trend, or no t…
no trend
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does this scatter plot show a positive trend, a negative trend, or no t…
negative trend
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does this scatter plot show a positive trend, a negative trend, or no t…
positive trend
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which number is closest to the first quartile? 10 40 90
B. 40
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does this scatter plot show a positive trend, a negative trend, or no t…
no trend
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which number is closest to the median? 23 2 10
23
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does this scatter plot show a positive trend, a negative trend, or no t…
no trend
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does this scatter plot show a positive trend, a negative trend, or no t…
no trend
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which number is closest to the median? 90 10 40
A. 90
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which number is closest to the first quartile? 55 79.5 60.5
60.5
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does this scatter plot show a positive trend, a negative trend, or no t…
positive trend
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which best describes a random sample? a sample in which the elements ar…
a sample in which the elements are chosen by chance
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myrna wants to know about how many pairs of jeans middle - school stude…
The average middle - school student owns around two pairs of jeans.
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8. in many african societies, the family lineage is based on the mother…
8. C. matrilineal 9. A. adults in either a "house of the women" or a "house of the men." 10. C. Muslim traders from Arabia
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you are challenged to a lucky draw game. if you draw a face card (k, q,…
0.77
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figurative language in “the tell - tale heart” by edgar allen poe name:…
1. "His room was as black as pitch with the thick darkness..." 2. "I heard all things in the heaven and in the earth. I heard many things in hell." 3. "And the old man, he screame…
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which number is closest to the third quartile? 23 2 10
23
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adriana, henry, malik, and richard each design surveys to determine the…
Richard's sample
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liliana wants to start a seventh - grade computer club at hamden middle…
C. $\frac{18}{20}$ or $\frac{9}{10}$
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if the colony continue increasing, it will become necessary to augment …
B. He promoted the idea of a republican democracy.
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a classic counting problem is to determine the number of different ways…
37800