Estadística
Análisis de datos, distribuciones de probabilidad y pruebas de hipótesis.
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the standard deviation of the data set { 3, 3, 4, 5, 7, 7, 8, 9, 11, 12…
3.015
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the mean of the data set { 3, 3, 4, 5, 7, 7, 8, 9, 11, 12 } is about __…
6.90
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the standard deviation of the data set {7, 2, 5, 1, 12, 3, 7} is about …
3.773
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the mean of the data set {7, 2, 5, 1, 12, 3, 7} is about _____. 5.286 3…
5.286
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bike a and bike b are raced on a track. the following table shows the n…
a. The data shows a proportional (direct linear) relationship. The ratio of laps completed by Bike B to Bike A is constant (0.9) for all data pairs. b. $0.9$ c. $63$ d. $90$
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question 3 0/1 pt 100 details the following table shows the daily recei…
\boxed{-0.447} (rounded to three decimal places, or as per required precision)
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the median of 5, 7, 2, 9, 8 is: 5 7 8 6
B. 7
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find the median of the following set of data: * 1, 3, 6, 2, 4, 7, 5 2 2…
C. 4
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7. all the kindergarten students at cannon elementary school are in exa…
D. $\frac{22}{37}$
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3. sofia earned scores of 85, 86, 87, and 82 points on 4 math tests. wh…
E. 100
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read the thesaurus and sentence. nonchalant (adj): unconcerned, indiffe…
untroubled
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what does alliteration suggest about the meaning of the sentence below?…
The buds bloomed into the first flowers of spring.
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the root fort means \strong.\ the suffix -fy means \make.\ based on thi…
strengthening
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what does the suffix -ition mean in the word composition? emma wrote a …
result of
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what is the correct meaning of the phrase cracked a smile? the man crac…
grinned when trying not to
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what does the suffix -ible mean in the word permissible? it is permissi…
able to
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which meaning of crop is used in this sentence? corn farmers hope that …
a plant grown for food
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which word means the opposite of bottom? the bottom of the boys foot wa…
top
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what is the correct meaning of the word funniest? that was the funniest…
most funny
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danny pays for a bell using these coins. how much does the bell cost? 4…
64¢
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look at the data in the table. how many books are needed to complete th…
7
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tiles with the letters a, b, c, d, e, f, g, and h written on them are p…
- The number of possible outcomes is 8. (True) - The probability of drawing the tile with E written on it is $\frac{1}{4}$. (False) - $P(\text{vowel})=\frac{1}{4}$. (True) - $P(\t…
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a poll conducted by the uc berkeley institute of governmental studies i…
a) $(50.2, 53.2)$ b) Yes c) We are 95% confident that the true proportion of people in the state who considered moving out is between 50.2% and 53.2%.
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question #2 darius has a 24-ounce sports drink. he drinks 18 ounces. en…
25%
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question #1 alfonso went to famous sams appliance store and purchased a…
The original prices of the refrigerator and the stove are the same.
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11. you see 58 birds while on a bird watching tour. of those birds, you…
$\frac{6}{29}$
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the table shows the scores at the end of the third quarter of a game. t…
-9, -5, 3, 8
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write and solve the equation or inequality. 4. your goal is to take at …
The inequality is \( 4387 + x \geq 10000 \) (where \( x \) is the number of additional steps), and the solution is \( x \geq 5613 \), meaning you need to take at least 5613 more s…
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compare functions name 1 $y = \\frac{1}{5}x + 5$ | x | y | |----|----| …
1. - Greatest rate of change: The function $y=\frac{1}{3}x+5$ - Lowest initial value: The graphed function 2. - Greatest rate of change: The function represented by the table - Gr…
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question 7 (4 points) match each example with the type of evidence it r…
1. c. statistics 2. d. anecdote/personal story 3. a. quote 4. b. fact
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an amusement park has 2 drink stands and 18 other attractions. what is …
\(\frac{1}{10}\)
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you spin the spinner once. what is p(divisor of 30)? write your answer …
\( 100\% \)
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morning donuts has a variety of donuts for sale. maple donuts 14 cake d…
\(\frac{2}{7}\)
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just sip awhile cafe has 14 pastries for sale, including 4 apple fritte…
\( \frac{2}{7} \)
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if \\(\\log 3 \\approx 0.48\\) and \\(\\log 6 \\approx 0.78\\), then wh…
\(1.2600\)
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part d: if the club needs 10 notebooks, which option is cheaper? show o…
B. 0.3 inches per minute ### Part B
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name jacqueline date 1/29/20 cool down lesson 12: meaning of exponents …
To evaluate \(3^6\) using \(3^5 = 243\), we use the exponent rule \(a^{m + n}=a^m\times a^n\). Rewrite \(3^6\) as \(3^{5 + 1}=3^5\times3^1\). Substitute \(3^5 = 243\) and \(3^1 = …
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question find the equation of the exponential function represented by t…
$y=5(2)^x$
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question a town has a population of 12000 and grows at 5% every year. w…
21550
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question 1 2 pts attendance per screening the box plot above summarizes…
25 and 45
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question 1 attendance per screening the box plot above summarizes the a…
20 and 45
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question a town has a population of 11000 and grows at 4% every year. w…
19810
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9 how many ten thousands are in 200,000? 10 how many hundred thousands …
There are 20 ten - thousands in 200,000. ### Problem 10: How many hundred - thousands are in 5,000,000?
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function h is the sum of 3 and four times the cube of x. this function …
- "This function has the highest y-intercept." → Function $h(x)$ (sum of 3 and four times the cube of $x$) - "This function is increasing over the longest interval." → Function $h…
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there is an inequality box with a blank and > w, a calculator, and a nu…
$1$
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drag the numbers to the correct locations in the equation. each number …
$y = 10.9\sqrt{x - 0.5} + 23.7$
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there is an inequality ( w < square ) at the top, with a calculator bel…
\(w < 2\)
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the number of hours that 20 people spent watching television per day, i…
B. 3 hours
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george is drafting his dissertation paper for his doctoral program. the…
B. $y = \frac{2}{3}x + 4$
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select the correct answer. the graph shows a relationship between the a…
$y = 0.28x + 1.2$
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write equations from tables and graphs 1. the graph shows the total sal…
\( T = 4n \) ### Problem 1B
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select the correct answer. the graph shows the increase in drive time f…
B. After a six-inch snowfall, a commuter should plan on it taking about 27 minutes to travel the five miles.
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athletics of 107 athletes surveyed about what sport they play, some pla…
Let $x$ = number of athletes who do not play basketball. The equation is $x + 48 + 33 = 107$, and $x=26$.
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select the correct answer from each drop - down menu. tyson models the …
Based on the quadratic model, the temperature will be about $\boldsymbol{70}$ °F at 6 p.m. The $r^2$ value for this quadratic model is 0.82, indicating that this function $\boldsy…
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name a group of 35 students and 5 teachers went on a field trip. each t…
D. \( \boxed{D} \)
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select the correct answer from each drop - down menu. this table shows …
The data is best modeled by the function $y = 1x + 62$. Based on the linear model, the approximate height of a tree with a diameter of 22 inches is 84 feet. The correlation coeffi…
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write <, >, or = to compare each pair of decimal numbers. a. .45 ____ .…
a. $0.45 < 0.66$ b. $0.11 < 0.80$ c. $0.21 < 0.23$ d. $0.5 < 0.6$ e. $0.1 < 0.8$ f. $0.2 < 0.4$ g. $1.3 < 2.1$ h. $3.4 < 3.6$ i. $1.7 = 1.7$ j. $5.11 > 3.10$ k. $9.00 > 7.99$ l. $…
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select the correct answer from each drop - down menu. this table shows …
The data is best modeled by the function $y = 1.14x + 60.5$ Based on the linear model, the approximate height of a tree with a diameter of 22 inches is 86 feet. The correlation co…
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gemma is creating a histogram based on the table below. salary range | …
25–40
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x | f(x) | g(x) 0 | 5 | 3 1 | 4 | 5 2 | 1 | 8 3 | 3 | 7 4 | 2 | 2 5 | 7…
\( 2 \) ### For \( g(f(6)) \):
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how does the author mainly describe the relationship between the older …
A. The older boys manipulate the littluns.
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a histogram shows data that is skewed to the right. which most likely d…
A. The mean is greater than the median. The rightmost values in the data set raise the mean more than the median.
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which best represents the center of the data set below? average monthly…
B. median
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indira makes a box-and-whisker plot of her data. she finds that the dis…
D. The mean is less than the median because the data is skewed to the left.
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3 nancy has 18 charms to make 3 keychains. she uses an equal number of …
\(18 \div 3 = 6\) So, Nancy will use 6 charms for one keychain.
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what is a key principle of adam smiths idea of free - market economics?…
A. Promoting free trade among nations and reducing government interference in markets ### Question 5 (What did Karl Marx argue was necessary to fully secure workers’ rights?)
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what is meant by the term \double divide\ in relation to global income …
C. Income inequalities are significant between countries and are also increasing within most countries ### Question 2
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8 this week, ernesto practices playing the piano 3 hours each day for 4…
Ernesto practices playing the piano for 12 hours.
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value: 2 because imitating another person means you ignore or \kill\ wh…
suicide
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11) the table below shows the average sale price, p, of a house in norf…
### Part a) # Explanation: ## Step 1: Assign Variables Let's let \( t \) be the number of years since 2005. So for 2005, \( t = 0 \); 2006, \( t = 1 \); 2007, \( t = 2 \); 2008, \…
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activity the number of registered users logged in to the new social med…
quadratic function with a positive value of $a$
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users of the new app may click on ads, which are external links. the nu…
In the sixth week after purchasing the app, the average user will click on external links about 4.4 times. The average user will click on an external link two times in the 8.4 wee…
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1- détermine la valeur de linconnue dans chaque proportion suivante, en…
# Exercice 1 ## a) # Explication: ## Étape 1: Appliquer le produit croisé $100 \times x = 5 \times 40$ ## Étape 2: Calculer les produits $100x = 200$ ## Étape 3: Isoler $x$ $x = \…
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consider the data set shown in the table. | x | 0 | 1 | 2 | 3 | 4 | 5 |…
When the data set is modeled by a square root equation, the value of $r^2$ is 0.92 The better model of the data set is either the linear or square root equation (both have equal $…
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consider the data set shown in the table. (the table has two rows: the …
When the data set is modeled by a linear equation, the value of $r^2$ is 0.946 When the data set is modeled by a square root equation, the value of $r^2$ is 0.987 The better model…
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consider the data set shown in the table. x | 0 | 1 | 2 | 3 | 4 | 5 | 6…
The quadratic equation that models the data in this table is $y = -0.08x^2 + 0.83x + 1.52$
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the table shows the total number of posts made by the average registere…
The linear function that models the data in this table is $p(x) = 2.4x + 0.4$
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which type of relationship is shown in the table? x | 0 | 1 | 2 | 3 | 4…
quadratic function with a negative value of $a$
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which of the following most likely explains why indigenous american lan…
C. Native Americans sought to use every part of an animal and preserve the land for future generations.
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1. use the distributive property to write an equivalent expression for.…
\(8\)
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has 48 gallons of water in 8 buckets. how m ns of water are there in on…
6 gallons ### Second part: Find the quotient - $45 \div 9$:
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final test this test reflects all rules from both parts of the formal/i…
1. **"Not to be overly salty, but"** → *To begin with a critical perspective,* 2. **"kind of sketch in a lot of ways"** → *problematic on multiple levels* 3. **"what does it even …
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3 fill in the blank 1 point round 3.9467 to the nearest hundredths plac…
\( 3.95 \) ### Question 4
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5 fill in the blank 1 point round 0.3658 to the nearest tenths place an…
\(0.4\) ### Question 6
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lesson #47 1. study the equation ( 5(3 + 7)=15 + 35 ). because of the d…
\(27n + 63\) ### Problem 2:
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10. simplify the expression. (log_{9} 9^{3x} = square)
$9x$
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money planning part 3 of 3 1 2 3 trying to earn: mel hill is 34 years o…
Question 1: $\$11279.40$ (or within $\$2000$ of this amount, e.g., $\$11000$) Question 2: 7 years (matches the allowed 1-year margin of the exact ~7.3 years)
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10. nanci is volunteering at the animal shelter. she wants to spend an …
About 20 minutes
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7. use technology to evaluate the logarithm. round your answer to three…
$-2.079$
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1. true or false: culture consists of all the shared products and learn…
A. true ### Question 2
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excerpt 2: being told to \wait\: \for years now i have heard the word w…
When African Americans were told to "wait" for civil rights, that "wait" was actually a way of saying "never"—it was a refusal to grant them equality, and the repeated delays show…
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4. evaluate the logarithm. a (log_{3}81 = square)
4
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n - sem 2 / module 2 culture and society 4. how is language considered …
B. as a system of symbols with agreed meanings for communication ### Question 5
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a. $3\\frac{1}{10} + 1\\frac{3}{4} \\approx \\underline{\\quad}$
\(4\frac{17}{20}\) (or \(4.85\))
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deux rapports équivalents sont deux rapports égaux. légalité de deux ra…
1. Un rapport équivalent à $3:5$ est $6:10$ (autres réponses possibles en multipliant par un autre nombre) 2. Une proportion avec $\frac{36}{27}$ est $\boldsymbol{\frac{36}{27} = …
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vocabulary choose the correct term from the vocabulary box. 1 a ______ …
multiple ### Question 2
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2. a taxpayer claims the new sports team caused his school taxes to inc…
\( t = 1.02b \) ### Part (b) We use the equation \( t = 1.02b \) (or \( b=\frac{t}{1.02} \) for finding \( b \) when \( t \) is known) to find the values.
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estimate: 502 - 487 is about ______ calculate: 502 - 487 = is your esti…
s: Estimate: 10 (or 15, but 10 is a common estimate) Calculate: 15 Is your estimate reasonable? Yes (circle Yes) Wait, let's confirm: Estimate: 502 ≈ 500, 487 ≈ 490. 500 - 490 = 1…
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d. write an equation to represent the proportional relationship between…
The equation is \( s = u \), and the constant of proportionality is \( 1 \).
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for each scenario below, choose the best graph. (a) ann rides her bike …
The third graph (the one with the horizontal line for Ann's Speed vs. Time)