Estadística
Análisis de datos, distribuciones de probabilidad y pruebas de hipótesis.
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find the ratios. simplify your answers. the first one is done for you. …
1. ratio of curved to bar = $15:3$, simplified = $5:1$ 2. ratio of blank to circle = $0:9$, simplified = $0:1$ 3. ratio of circle to star = $9:20$, simplified = $9:20$ 4. ratio of…
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sixth grade > jj.6 calculate mean absolute deviation juv alana made bea…
15.7 beads
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3. the los angeles times (dec. 13, 1992) reported that 80% of airline p…
a. $\boldsymbol{P(X=11)\approx0.000063}$ b. $\boldsymbol{P(X\geq19)\approx0.780}$ c. $\boldsymbol{20}$ e. Standard deviation: $\boldsymbol{2}$; On average, the number of passenger…
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xth grade > jj.6 calculate mean absolute deviation juv a zookeeper reco…
31.5 centimeters
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a construction worker checked the number of screws needed to complete 7…
16.0 screws
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grade > 11.6 calculate mean absolute deviation juv in the data set belo…
18.9
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sixth grade > jj.6 calculate mean absolute deviation juv alana made bea…
15.7 beads
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3) what is the solution to the exponential function $4^{2n + 4}=1024$? …
3) $n = \frac{1}{2}$ 4) $-5^{15}$
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in the data set below, what is the mean absolute deviation? 10 18 74 82…
27.3
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sixth grade > jj.6 calculate mean absolute deviation juv in the data se…
1.6
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learn with an example or wa in the data set below, what is the mean abs…
1.5
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learn with an example or in the data set below, what is the mean absolu…
$0.9$
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learn with an example or in the data set below, what is the mean absolu…
$0.9$
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my ixl learning asser de > jj.6 calculate mean absolute deviation juv l…
2.3
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word p read the problems to decide and find t a ribbon is 6 yards long.…
8
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my ixl learning assess jj.6 calculate mean absolute deviation juv learn…
1.4
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4) the ny yankees hit 219 homeruns in their 2023 season. in their 2024 …
18 homeruns per year
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c. $2(12 + x) = 2x + 24$
This equation is an identity, meaning it is true for all real values of $x$.
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4) the ny yankees hit 219 homeruns in their 2023 season. in their 2024 …
18 homeruns per year
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divide. give the exact answer, written as a decimal. $\begin{array}{r} …
$31.225$
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divide. give the exact answer, written as a decimal. $\begin{array}{r} …
$31.225$
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determine whether each situation would be better modeled by a linear fu…
| Situation | Linear | Exponential | |-----------|--------|-------------| | Joe's savings increase by 10% every year. | | X | | The number of people who do not have a smartphone i…
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ralph bought puppets that cost $5 each. he spent $20. how many puppets …
1. 4 puppets 2. 44 goldfish 3. $56\frac{5}{7}$ (or quotient 56, remainder 5)
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8) a car worth $27,500 in 2012 is worth $16,720 in 2016. find the rate …
The rate of change in the car's value is $-\$2,695$ per year, meaning the car decreases in value by $\$2,695$ each year.
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$7,636 - 5,473$
2,163
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8. determine whether the following events described are mutually exclus…
non mutually exclusive
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2. on a field day at their school, the friends decide to run as a team …
### Completed One-Mile Relay Splits Table: | Runner | Rate (min:sec per mi) | Time for $\frac{1}{4}$ Mile (min:sec) | |--------|------------------------|--------------------------…
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write an equation for the sequence below. use $n$ to represent the posi…
$a_n = 5n + 2$
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\if all else perished (died), and he remained, i should still continue …
A. Perished
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7. determine whether the following event described is mutually exclusiv…
mutually exclusive
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homework: synthesis questions: \calling dreams\ part a 1. reread the fo…
a. It shows her becoming more determined to achieve her dreams.
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if you roll one die, what is the probability of getting an odd number o…
$\frac{2}{3}$
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which of the following verbs means \to practice sports\? mirar la telev…
Practicar deportes
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which of the following verbs means \to play soccer\? empezar jugar fútb…
Jugar fútbol
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4. the following m & m colors are in a bowl: 4 yellow, 6 orange, 3 gree…
$\frac{1}{4}$ (corresponding to the last option)
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is there a difference in average hours of sleep between high school jun…
## Hypotheses: Null: $H_0: \mu_1 = \mu_2$ (There is no difference in average hours of sleep between high school juniors and seniors) Alternate: $H_a: \mu_1 eq \mu_2$ (There is a…
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unit 1 exam what is the spanish verb for \to hear\? escribir salir oir
Oir (correctly spelled as Oír, meaning "to hear")
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brian made statements about the line of best fit for the scatter plot d…
B. The statement is incorrect. The parameters of the line of best fit are a slope of $\boldsymbol{-4}$ and a y-intercept of $\boldsymbol{50}$.
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complete parts (a)-(d) about the line of best fit for the scatter plot …
A. The statement is correct
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identify any incorrect statements. correct his error(s). complete parts…
B. The statement is incorrect. The correlation is negative because as the x-values increase, the y-values tend to decrease
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1. paloma has 20 crayons. she has 6 blue, 5 red and 2 yellow. what is t…
40. 1:4 --- ### Second Problem (Age Difference)
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use a graphing calculator to find the equation of the line of best fit …
1. Correct line of best fit: C. $y = 19.86x + 1129.34$ 2. Correlation coefficient $r$: $0.987$ 3. Predicted 2014 ticket sales: $1605.98$ million
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part 1 of 3 use a graphing calculator to find the equation of the line …
C. $y = 19.68x + 1,129.34$
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unit 1 exam which of the following means \man\? la mujer el chico el ho…
El hombre
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unit 1 exam which of the following means \man\? la mujer el chico el ho…
El hombre
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f451: part 2 due tuesday, feb 10, 2026 at 11:59 pm 1. read pages 58-104…
a. Faber is a retired English professor who values books. Montag meets him to seek guidance on rebelling against the anti-intellectual society and understanding literature. b. The…
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14. rosa is considering $sqrt{7}$ and 3.44444. she says that $sqrt{7}=3…
a. $\boldsymbol{\sqrt{7} < 3.4444}$ b. Rosie incorrectly assumed $\sqrt{7}$ equals 3.4444, but squaring 3.4444 gives a value much larger than 7, so she misidentified the square ro…
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confidence intervals vs hypothesis testing for independent t testing is…
## Hypotheses: Null: $H_0: \mu_1 = \mu_2$ (The mean test scores are equal for students studying with and without music) Alternate: $H_a: \mu_1 eq \mu_2$ (The mean test scores ar…
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a correlation coefficient of -1.0 between two sets of numbers indicates…
that when one set of numbers goes up, the other set goes down.
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2 information that measures the degree to which two sets of numbers are…
E. correlation coefficients.
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divide. give the exact answer, written as a decimal. 36.3960 ÷ 0.008 =
4549.5
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the scatter plot shows the time spent texting and the time spent exerci…
(a) decrease (b) negative (c) 5 hours
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an aquarium is being filled with water. the graph shows the height of t…
The height of the water increases 2.5 inches per second.
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compare the wait times in the box plots. the median wait time for the p…
The median wait time for the pizza truck is 4 minutes shorter than the median wait time for the taco truck. The IQR for both is 3 minutes.
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5-62. a lemonade recipe calls for 2 cups of lemon juice for 4 cups of w…
a. $\frac{1}{3}$ b. No, she did not follow the same recipe. Her ratio of lemon juice to total liquid ($\frac{3}{10}$) is not equal to the recipe's ratio ($\frac{1}{3}$).
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isabel pays a total of $50.00 for every 18 shirts she has dry-cleaned. …
A. The first graph (with points like (9, 25) following the unit rate of $\frac{50}{18}$ dollars per shirt)
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question 1 a tree in dantes neighborhood grew 18 inches in the first 2 …
A. Tree Growth graph with a straight line from (0,0) to (10,90)
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name: _______________ period: ______ macbeth key quotations & questions…
1. **#1**: Banquo threatens Macbeth because the witches said Banquo's sons will be kings, making him a rival to Macbeth's power. Banquo suspects Macbeth used foul play to become k…
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b. the company is going to choose three rows in each section to win the…
b. $\frac{43}{46}$ c. 1 (or $\frac{750}{N}$ where N is total attendees, but since N is not given, we assume N=46, so probability is 1) Wait, correction: For part c, if we assume t…
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modeling real life your water bottle is $\frac{5}{6}$ full. after tenni…
$\frac{11}{24}$ bottle
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question the scatter plot shows the years of experience and the amount …
(a) increase (b) positive (c) $\$12$
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dig deeper you withdraw $55 from a bank account to purchase a game. the…
$31.50$
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name: noah 5.2.4 review/preview problems 5-60. maggie was at the state …
8 --- ### For Problem 5-61a:
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read a text about monopoly (1) in the late nineteenth century, the fina…
- Magie wanted people to learn about the effects of greed. - Darrow sold his version of The Landlord's Game to Parker Brothers. - The Landlord's Game was created by Magie.
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a balloon is released at ground level, and it rises into the air at a c…
Completed table values for $y$ (from $x=0$ to $x=6$): 0, 15, 30, 45, 60, 75, 90 Points to plot on the graph: $(0,0)$, $(1,15)$, $(2,30)$, $(3,45)$, $(4,60)$, $(5,75)$, $(6,90)$
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the graph shows the percentage of citizens of a certain country who tru…
$y-23=-0.75(x-4)$ (or $y-14=-0.75(x-16)$)
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the stem-and-leaf plot below gives the gas mileages (in miles per gallo…
(a) 14 (b) 4 (c) 26
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posttest which statement about priorities is correct? a) establishing p…
C) Priorities can change from week to week.
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test score 5|1 6 6|4 7 7|0 2 2 3 3 7 9 8|1 1 4 5 9|1 4 5 key: 5|1 means…
(a) 4 (b) 64 (c) 95
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find $f^{-1}(2)-3f(5)$ | $x$ | $f(x)$ || --- | --- || 1 | 4 || 2 | 1 ||…
$-6$
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the stem-and-leaf plot below gives the amount of money spent by each of…
(a) 50 dollars (b) 36 dollars (c) 5
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excited about the success of celebrity stamps, post office officials we…
$E = 2.8M - 40$
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shown to the right is a scatter plot that indicates a relationship betw…
142 per thousand
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what is $f^{-1}(9)$? x f(x) 4 9 9 14 15 18 17 23 21 27 23 32
4
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11) | x | h(x) | |----|----| | -2 | 5 | | 5 | 9 | | 6 | 7 | | -5 | -2 |…
11) $h(6)=7$; $h(-5)=-2$; $x=5$ 12) $f(2)=7$; $f(1)=3$; $x=2$ 13) $k(2)=4$; $k(-2)=2$; $k(0)=-3$; $k(5)=3$; $x=-5$ and $x=3$ 14) $g(-4)=5$; $g(4)=5$; $g(0)=1$; $g(-2)=2$; $x=-4$ a…
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11. jack drove 325 miles in 5 hours. part a how many miles per hour did…
PART A: 65 miles per hour PART B: 8 hours
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8.3¢, 3¢, 3¢, 3¢, 5¢, 5¢, 5¢, 5¢the price of eight different pencils at…
C. 4¢
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10. at the market, grapes cost $0.85 per pound. clarissa buys grapes an…
1. Clarissa buys 3 pounds of grapes. 2. It will take Damon 4 hours.
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14. the chef boyardee company can produce 600 cans of beef ravioli per …
18000
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12, 14, 14, 10, 5 the number of games played by 5 friends after school …
C. 11
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directions: use this information to answer parts a and b. test prep mr.…
168 bandages
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6. in which data set below is the mean 5? a. 4, 5, 5, 8 b. 1, 2, 3, 6 c…
D. 4, 4, 5, 7
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6. in which data set below is the mean 5? a. 4, 5, 5, 8 b. 1, 2, 3, 6 c…
D. 4, 4, 5, 7
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act math practice exama community organization sponsors a charity lotte…
# Explanation: ## Step1: Calculate total qualified people Add people in all age groups: $18 + 12 + 6 = 36$ ## Step2: Identify Jack's age group count Jack is 31, so in 30-39 group:…
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4. 345, 245, 122, 133, 200 determine the mean of the set of data above.…
C. 209
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12. find the c.o.p. of this table:
There are two constants of proportionality: 3 (for the pairs (9,27) and (7,21)) and 2 (for the pairs (2,4) and (4,8)). The table has no single overall constant of proportionality.
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act math practice examquestion 12/45marci learned that each 10% of char…
D. 3 hours and 12 minutes
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act math practice exam question 10/45 the mean of five math tests is 84…
A. 86 and 94
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at football practice on monday, brandon threw a football into the targe…
Expression: $5 + 5\times3 + 5\times3\times2$ Total times: $50$
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lesson 3 assignment2. once lesia finishes placing the tiles in her art …
### Part 2: a. All possible outcomes: $(Y,Y), (Y,G), (Y,B), (Y,P), (B,Y), (B,G), (B,B), (B,P)$ b. 8 possible outcomes c. Same-color outcomes: $(Y,Y), (B,B)$ d. Probability of same…
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analyze the recurring snake symbolism: | analysis | act i | act iii | |…
### Act I | Category | Details | |------------------------|---------| | Literary Device(s) | Metaphor | | Deeper Meaning | Mask ambition with innocence | | Fulfillment | Pretends …
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once lucia finishes placing the tiles in her art project, she needs to …
a. The possible outcomes are: $(B,Y), (B,G), (B,B), (B,P), (Y,Y), (Y,G), (Y,B), (Y,P)$ b. 8 c. The events are (Blue grout, Blue frame) and (Yellow grout, Yellow frame), or written…
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25, 7, 17, 17, 9 the number of books read by 5 students is shown above.…
A. 15
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write explain how to determine the probability of a compound event. be …
a. 40 b. Blue: $\frac{10}{40}$, Yellow: $\frac{12}{40}$, Pink: $\frac{6}{40}$, Green: $\frac{3}{40}$, Purple: $\frac{9}{40}$ c. $\frac{3}{10}$ d. $\frac{9}{20}$ e. $0$ ---
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2. in which data set below, does the mean equal 10? a. 10, 15, 15, 15, …
B. 7, 8, 10, 12, 13
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1. to find the mean of a set of a data, you: a. add all the numbers in …
A. Add all the numbers in the data set and then divide the total by the number of data points.
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act math practice exam © question 7/45 two water tanks at a factory beg…
$\frac{161}{9} \approx 17.9$ liters (Note: This does not match the provided options, suggesting a potential error in the problem statement or options.)
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the following box plot shows the number of innings pitched by baseball …
25
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20. this character offers to lend george and lennie money a) curly b) c…
20. c) Candy 21. c) Men who travel alone become bitter and lose compassion 22. a) Temptation and Problems 23. d) Curley thinks Slim is messing with his wife 24. b) animals
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16. how long have curley and his wife been married? a) 3 years b) 1 yea…
16. d) a month 17. b) he would kill them 18. a) to own a small farm 19. a) gloomy