Estadística
Análisis de datos, distribuciones de probabilidad y pruebas de hipótesis.
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noras family makes a game out of counting billboards during long car ri…
3
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which type of audience appeal calls for a speaker to use facts, statist…
A. Logos
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slumber world mattress store also sells electric blankets. this scatter…
15
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question 2 of 10 read this excerpt from a speech by president harry s. …
D. foreign conquest
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dr. cortez takes care of newborn babies at greenview hospital. this sca…
20
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brody loves to read. he keeps track of the books he reads in a journal.…
2
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trudy owns the glazed donut shop. this scatter plot shows how many donu…
12
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10. wichita, kansas has 344,234 people within 165.9 square miles. what …
\(2075.0\)
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during the summer, john mows lawns in his neighborhood. this scatter pl…
20
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marios pizzeria prepares pizza crusts throughout the day. this scatter …
10
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the parkfield panthers basketball team had their first game last night.…
8
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8. a parent invests $2,000 at a 5% interest rate to help his daughter s…
\(t\approx14.203\) years.
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the fifth-graders at fair valley elementary school keep reading journal…
70
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bryan makes videos about home repair and shares them online. this scatt…
1550
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elena played a word game with some friends. this scatter plot shows her…
180
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this scatter plot shows the amount of time lee spent watching tv and ho…
69
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this scatter plot shows the sizes of some families in wills neighborhoo…
3
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regans family ran a snow cone stand at the state fair last summer. this…
3
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a radio disc jockey has 7 songs on this upcoming hour’s playlist: 2 are…
\(\frac{1}{7}\)
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yesterday, raymond and his friends played a video game after soccer pra…
84
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a bag contains 9 marbles: 2 are green, 3 are red, and 4 are blue. bob c…
$\frac{1}{12}$
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the annual rock creek fishing competition was held last weekend. this s…
15
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how would a speaker most likely help the audience understand the reason…
B. By incorporating anti - enemy propaganda
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cold ridge outfitters sells a lot of hand warmers in winter. this scatt…
65
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andrew and his friends participate in clubs after school. this scatter …
3
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hannah loves going to the library. this scatter plot shows the number o…
25
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aaliyah practices skipping stones every time she visits the lake near h…
3
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emir is training for a race. this scatter plot shows how many miles emi…
3
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there are 8 dogs living at the furry friends animal shelter. this scatt…
2
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a bowl has 8 green grapes and 15 red grapes. henry randomly chooses a g…
about 11.1%
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read this excerpt from \their finest hour\: ... every man and every wom…
B. An inspirational tone
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which model shows 70%?
The third model (light blue shaded one)
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which model shows 40%?
The Middle Graph (the green-block model with 4 shaded blocks out of 10)
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growers not currently gap certified may provide evidence by allowing on…
C. following guidelines.
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question 6 of 6 provided on floors with accessible means of exiting to …
A. How to file a post - fire insurance report.
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d. means of egress must be provided. childcare may only be provided on …
C. The stairwell off the back door has a railing at child - height.
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the movement of the progress bar may be uneven because questions can be…
C. happened at the same time
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question 4 of 6 a. designated exits and means of egress must not be nex…
C. Drills should be conducted monthly and recorded by management.
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a. designated exits and means of egress must not be next to one another…
C. Indicate egress options using an evacuation map
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a. designated exits and means of egress must not be next to one another…
A. Childcare
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question 1 of 6 d. means of egress must be provided. childcare may only…
C. Legal rules about how this type of business must operate.
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question 2 of 9 select the correct answer. which best describes the the…
A. Underneath, we're all the same
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the movement of the progress bar may be uneven because questions can be…
C. all around
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which model shows 60%?
The third model (bottom one with teal and white rectangles)
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the table shows the estimated number of bees, y, in a hive x days after…
\(y = 9958(0.972)^{x}\)
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janna is making a prediction of the frequency of a key that is 12 keys …
extrapolation, because a key that is 12 keys from middle C is outside the data set
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the table represents the temperature of a cup of coffee over time. temp…
exponential, because there is a relatively consistent multiplicative rate of change
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which model shows 75%?
The Middle Graph
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the quadratic regression graphed on the coordinate grid represents the …
The height of the surface decreases from the center out to the sides of the road.
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the data in the table represents a companys profit based on the number …
\(y=-1.036x^{2}+1024.771x - 163710\)
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the movement of the progress bar may be uneven because questions can be…
D. no evidence
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the function $f(t) = 349.2(0.98)^t$ models the relationship between $t$…
300
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the table shows the wavelength of the sound produced by keys on a piano…
\(49.31\ cm\)
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the table shows the population of a small town over time. the function …
2005
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determining a function type men’s shoes the graph shows the relationshi…
a linear relationship showing as height increases, shoes size increases
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read this excerpt from a passage. \imagine a classroom of 20 children, …
Jiang, Yang, et al. "Basic Facts About Low - income Children, Children Under 18 Years, 2015." National Center for Children in Poverty, Jan. 2017. http://www.nccp.org/publications/…
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progress: question id: 1067673 the movement of the progress bar may be …
A. Lack of education leads to unemployment, which in turn leads to poverty.
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which model shows 50%?
The top model (the rectangular bar with 1 blue part out of 2)
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regressing to the mean explain the concept of regression to the mean be…
Regression to the mean between generations means that extreme values (e.g., of a trait like height) in one generation are likely to be closer to the population average in the next…
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what did galton use to calculate how strong the relationship was for th…
the correlation coefficient
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analyzing student work charlie used a regression calculator to generate…
A linear representation is not the best way to represent the data. The data first increases and then decreases. A linear model assumes a constant rate of change (either always inc…
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the table below shows the height of a ball x seconds after being kicked…
The quadratic regression equation is \(f(x)=-15x^{2}+80x + 0\). The estimated height after \(0.25\) seconds is \(19\) feet.
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3) zach’s teammate, taylor, is the quarterback for the football team. s…
| Situation | Probability Notation | Formula | Value | |---|---|---|---| | What is the probability that it takes Taylor 3 incomplete passes before she has a completion? | \(P(X = …
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a veterinarian is estimating the weight of a puppy. the actual weight o…
absolute error = 0.3 kg percent error = 3.4 %
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the table below shows the population of a town over x years. | years | …
\(f(x)=10500.0(1.1)^{x}\); \(113764\) people
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charlotte has saved all her receipts from buying snacks at the corner s…
$1.50$
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the value of a car decreases as shown in the table below. | years after…
The function that best represents the data is \(f(x)=24,512(0.755)^{x}\); The function decreases indefinitely; It is reasonable to interpolate to the value of the car at \(4.5\) y…
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stacy went on 7 hikes. the hikes were: 4.7 miles 2.7 miles 4.8 miles 9.…
$1.5$
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roy asked his classmates to report their families cell phone bills for …
\(22.00\)
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(c) employees at a large office building took a survey. the results sho…
C. There is a correlation between start time and amount of tea consumed. However, there is no causation. This is because there is a decrease in the amount of tea consumed with an …
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determining the regression equation mr. valdez puts $10,000 in a retire…
\(f(x)=10000(1.05)^{x}\)
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(a) a golf instructor examined student data. he found that when a stude…
(a) There is a correlation between amount of time before hitting and distance from the hole. There may or may not be causation. Further studies would have to be done to determine …
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emmy went camping with the school outing club. they roasted marshmallow…
\(26.3\)
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shane checked the hit counters of 7 websites to track how many people v…
$2.3$
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time (weeks) volume (cubic meters) 1 12.0 2 6.1 3 3.0 4 1.6 5 0.8 use t…
The data in the table can best be described as an exponential function because there is a constant multiplicative rate of change.
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(a) dante is driving on the freeway at a constant speed. he then speeds…
Graph 1
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in the data set below, what is the mean absolute deviation? 8 7 4 6 7 4…
$1.1$
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practice modeling real-world scenarios using linear, quadratic, or expo…
Quadratic function
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figure 1 figure 2 figure 3 (a) which curve fits the data best? ○ figure…
Figure 2 ### Part (b)
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__________ means full of life; lively; or animated. a. motivated b. spa…
d. Vivid
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which scatter plot shows a positive linear association?
The first scatter - plot.
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which scatter plot shows a positive linear association?
The third scatter - plot (the one in the bottom - left of the four - plot arrangement when considering the standard reading order of left - to - right, top - to - bottom) shows a …
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source 3 why do people follow the crowd? by abc news read the essay. th…
A. Experiments reveal that people’s behavior is greatly influenced by their desire to conform. ### Part (b)
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wi-fi access a survey of 53 students in grades 4 through 12 found 64% h…
0.470 < p < 0.810
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theres a roughly linear relationship between the length of someones fem…
The y - value when \( x = 55 \) represents the expected height (in centimeters) of a person whose femur length is 55 centimeters.
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a team of 8 players needs to select 2 captains. how many different pair…
28
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enter the correct answer a student is packing a lunch and can choose 2 …
6
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a pizza shop offers 5 toppings: pepperoni, mushrooms, onions, sausage, …
10
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cyber monday shopping a survey of 1050 u.s. adults found that 34% of pe…
0.316 < p < 0.364
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for a yogurt bowl, 3 fruit toppings can be chosen from 6 options: blueb…
20
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a science fair has 10 projects, and 3 will be chosen to receive awards.…
120
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a purchasing manager at a university is investigating which brand of lc…
\( 838.8 \)
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find \\(\\widehat{p}\\) and \\(\\widehat{q}\\). round your answers to t…
$\hat{p} = 0.395$, $\hat{q} = 0.605$
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compound sentences a compound sentence has 2 (or more) independent clau…
I didn't have money to buy a gift for my mother, so I decided to make cookies.
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//www.ixl.com/math/grade-8/checkpoint-scatter-plots-tx does this scatte…
negative association
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unhealthy days in cities the number of unhealthy days based on the aqi …
6.9 < μ < 29.5
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indy 500 qualifier speeds the speeds in miles per hour of six randomly …
The 95% confidence interval for the mean qualifying speed is (222.7988, 224.5796) mph.
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the details of 40 people who drank tea, coffee and milk at a tea shop i…
i. d) 10 ii. d) 10
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does this scatter plot show a positive association, a negative associat…
negative association
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a student has 6 different colored pencils and wants to arrange 4 of the…
360