Estadística
Análisis de datos, distribuciones de probabilidad y pruebas de hipótesis.
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metric ↔ imperial 1 in. ≈ 2.54 cm 1 ft. ≈ 30.48 cm 1 yd. ≈ 0.9144 m 1 m…
\(215.9\ \text{cm}\) ### Second Question: Nathan's String Length
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algebra 2 hw 5.12 (due 1/28) 1. the mean amount spent on daycare yearly…
s: 1. Estimated mean: \( \$9494 \), Margin of error: \( \$1616 \) (approximate, using 95% confidence) 2. Estimated mean: (approximate) \( 125 \) gallons, Margin of error: (approxi…
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use the aleks calculator to find 4% of 18. do not round your answer
$0.72$
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6. write the fraction (\frac{17}{6}) as a decimal and a percent. (0.283…
$\boldsymbol{2.8\overline{3} = 283.\overline{3}\%}$ (corresponding to the option: $\boldsymbol{2.8\overline{3} = 283.\overline{3}\%}$)
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hidden clue for each ordered pair, solve the percent problems to find t…
For the ordered pair \( A(x, y) \), \( x = 11.05 \) (85% of 13) and \( y = 2.7 \) (60% of 4.5). So the ordered pair is \( (11.05, 2.7) \)
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5. write the fraction (\frac{2}{3}) as a decimal and a percent. (\bigci…
$\boldsymbol{0.\overline{6} = 66.\overline{6}\%}$ (corresponding to the option: $\boldsymbol{0.\overline{6} = 66.\overline{6}\%}$)
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13. elaine jogged \\(\\frac{4}{5}\\) mile each day for 4 days. select a…
(Problem 13): $\boldsymbol{4\times\frac{4}{5}}$, $\boldsymbol{\frac{16}{5}}$, $\boldsymbol{3\frac{1}{5}}$
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4. write 49.92% as a decimal. describe a model to represent the number.…
0.49$\overline{92}$ --- For the model part:
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fill in the blanks. a. $45\\div\\underline{\\ \\ \\ \\ \\ \\ } = 9$\\qu…
# Explicación: ## Paso 1: Resolver las divisiones simples Usar la relación: $dividendo = cociente \times divisor$ o $divisor = \frac{dividendo}{cociente}$ a. $45 \div \_\_ = 9$ → …
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10. several input - output values of two functions are shown. determine…
To determine if a function is linear, we check if the rate of change (slope) between consecutive points is constant. A linear function has a constant slope, while a nonlinear func…
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3. write 0.041 as a percent. 0.041 = \\square % describe a model to rep…
$0.041 = 4.1\%$ A 10 by 10 grid with 4 squares shaded and $\frac{1}{10}$ of 1 square shaded.
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lesson 2 homework practice function rules use words and symbols to desc…
4. Rule: $\boldsymbol{3n-1}$ 16th term: $\boldsymbol{47}$ 5. Rule: $\boldsymbol{y=x-5}$ 6. Rule: $\boldsymbol{y=3x}$ 7. Rule: $\boldsymbol{y=2x-3}$ 8. Rule: $\boldsymbol{y=4x+3}$
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algebra 2 hw 5.03 (due 1/09) name 1 andre is in the band and he is cond…
Andre's sample is unrepresentative as he selected from specific groups (band, swim team) instead of a random/representative sample of all high school students, introducing bias. #…
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13 il y a quelques jours, des scientifiques machiavéliques ont créé et …
Au premier jour, il y avait 18 zombies alpha et 2 zombies bêta.
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assessment practice 16. select all the figures that are shaded to repre…
- The first grid (75 shaded out of 100 squares) - The 3x4 box grid (9 shaded out of 12 boxes) - The second grid (75 shaded out of 100 squares) - The circle (3 shaded out of 4 equa…
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11. model with math wendy uses \\(\\frac{2}{12}\\) of a loaf of bread t…
The equation is \( b = 4\times\frac{2}{12} \) and \( b=\frac{2}{3} \) of the loaf. ### Problem 12
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1. which statement is true about these 2 distributions? set a set b a. …
d. The standard deviation of set A is greater than the standard deviation of set B, and their means are the same. ### Question 2
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16. select all the figures that are shaded to represent 75% of the whol…
11. $3\text{ cm}$ 12. $80\text{ cm}$ 13. $50\%$ 14. $50\%$; No, she does not need another box because $18\text{ ft}^2$ is exactly $50\%$ of the $36\text{ ft}^2$ floor. 15. $32\%$ …
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a car is purchased for $27,500. after each year, the resale value decre…
# Explicación: ## Paso 1: Definir fórmula de decrecimiento La fórmula de decrecimiento exponencial es $V(t) = V_0(1-r)^t$, donde $V_0$ es el valor inicial, $r$ es la tasa de decre…
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6.1 - fractions, decimals, and percents 1. write 39.2% as a decimal. a …
1. $0.39\overline{2}$ (Option: $\boldsymbol{0.39\overline{2}}$) 2. A 10 by 10 grid with $\boldsymbol{39}$ squares shaded and $\boldsymbol{\frac{2}{9}}$ of 1 square shaded.
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greta is excited because her grandfather in new orleans is going to tea…
The constant of proportionality \(k = 5\) (assuming the question was to find the constant of proportionality for the proportional relationship between cups of pecans (\(x\)) and n…
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11 un jeu vidéo permet de gagner 0,2 point par seconde. exprime tes rép…
11 a) $1,728 \times 10^4$ points par jour 11 b) $\approx 8,68 \times 10^1$ jours 12 a) $2,4025 \times 10^{11}$ pièces 12 b) $6,00625 \times 10^{10}$ €
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irma wants to save up some money to buy a new smartphone, so she babysi…
\( y = 10x \)
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problem solving 8. kiona fills a measuring cup with \\(\frac{3}{4}\\) c…
The equation is $3\times\frac{3}{4}$, and the total juice is $2\frac{1}{4}$ cups. ### Problem 9
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jen’s goal is to run a total of 22 miles in five days. the table below …
A. \(5\frac{7}{8}\)
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here are the clues for a mystery number. the number is 760,000 when rou…
764,981
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question 12 (6.66 points) listen read the following paragraph: next tim…
Bees have a positive impact on our food supply.
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vi. framing sentences (optional) on the lines provided, write an origin…
The criminal tried to bludgeon the security guard with a heavy pipe, but was quickly apprehended. ### 40. proclaim
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landon walked 11,870 steps on saturday and 7,500 steps on sunday. round…
Landon walked about 12,000 steps on Saturday and about 8,000 steps on Sunday.
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what is 159,746 rounded to the nearest thousand?
160,000
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answer the questions below to determine what kind of function is depict…
This function is linear because the difference between consecutive \( f(x) \) values is constant (each difference is \( -7 \)).
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question 3 good credit helps bring independence. which statement best i…
A. Good credit can help you build a savings account. Because you pay less in interest when you have good credit, you are able to save more. Money in your pocket (or your savings a…
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question 2 paid \as agreed\ means you paid your account on or before th…
B. I always pay my accounts days early.
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what is a statistical analysis that identifies clusters of related item…
A. Cluster Analysis
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fill in the chart with the equivalent proportions. | original proportio…
$\frac{1}{c} = \frac{7}{b}$
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complete the equation that represents the relationship between p and a.…
$a = p - 6$
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from unit 6, lesson 13 choose one of these inequalities to represent ea…
a. $x \geq 25$ b. $x < 25$ c. $x \leq 25$ d. $x > 25$ For the bucket problem: You would need two key pieces of information: 1) The total volume (capacity) of the water bucket, and…
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fill in the chart with the equivalent proportions. original proportion …
$\boldsymbol{\frac{y}{b}=\frac{9}{1}}$
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complete the equation that represents the relationship between m and b.…
$m - 12$
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7 chloe sorts her beads. the number of red beads she has is $5\\frac{5}…
350
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suppose that the future price ( p(t) ) of a certain item is given by th…
- Precio inicial: $\$1200$ - Tipo de función: growth - Cambio porcentual anual: $1.9\%$
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) write 3.71 as a percentage. ) write 0.2% as a decimal. (a) 3.71 = □% …
(a) $3.71 = 371\%$ (b) $0.2\% = 0.002$
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(a) write 5.9% as a decimal. (b) write 0.751 as a percentage. (a) 5.9% …
(a) $5.9\% = 0.059$ (b) $0.751 = 75.1\%$
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(a) write 5.9% as a decimal. (b) write 0.751 as a percentage. (a) 5.9% …
(a) $0.059$ (b) $75.1$
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evaluate the following. 0.62 × 1.4 + 8.51
9.378
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section: ________ date: ________ day 1 – comprehension & vocabulary (ch…
To answer these questions, we would need to refer to the specific story (likely a novel or textbook chapter) featuring Keisha, Jonathan, and Sakeem. Since the text of the story is…
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15. yellowstone national park is a popular field trip destination. this…
Each van carries 6 students, and each bus carries 29 students.
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\\frac{2}{20} = \\frac{\\quad}{\\quad} = \\frac{4}{10} = \\frac{\\quad}…
- \(\frac{2}{20} = \frac{10}{100} = 10\%\) - \(\frac{4}{10} = \frac{40}{100} = 40\%\) - \(\frac{18}{20} = \frac{90}{100} = 90\%\) - \(\frac{34}{50} = \frac{68}{100} = 68\%\) - \(\…
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josiah loves to bake blueberry muffins for his friends and family. ther…
\( y = 9x \)
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high school a and high school b planned separate trips to new york city…
A van can carry 12 students, and a bus can carry 45 students.
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solve the number stories. use a different strategy for each one. 1 the …
$1$ (or $\frac{4}{4}$) ### Problem 4
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amanda and james are selling flower bulbs for a school fundraiser. cust…
One package of tulip bulbs costs $\$7$, and one bag of daffodil bulbs costs $\$13$.
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1 kenny had $1\\frac{3}{8}$ bags of marbles, marla had $1\\frac{4}{8}$ …
\(4\) bags of marbles ### Problem 2 (These are drawing tasks, so we'll describe the steps for drawing)
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1. the village was polyglot. if the ratio of bilingual denizens to tril…
600 --- ### Problem 2
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romeo and juliet, act one, scenes 4 and 5 (pages 496 - 505) william sha…
1. Mercutio suggests that Romeo should dance and be merry; Romeo answers that he has a "soul of lead" and is too sad to dance. 2. Mercutio argues that dreams are "the children of …
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uation. use drawings or number lines as needed. 5. $\frac{2}{10}$ $\fra…
The total fraction is $\frac{3}{5}$. ### Problem 7
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read these three lines, near the treetops, layers of leaves and limbs i…
to connect between
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answer attempt 1 out of 2 the scatter plot shows nonlinear association …
The scatter plot shows nonlinear association because as the plotted values of $x$ increase, the values of $y$ generally follow a nonlinear pattern.
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question describe the association in the scatter plot below. answer att…
The scatter plot shows a positive, weak association because as the plotted values of $x$ increase, the values of $y$ generally increase.
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sam uses his phone primarily to take a lot of selfies. the storage spac…
Yes, \(x\) and \(y\) have a proportional relationship.
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for 2-3, write and solve a multiplication equation. 2. 3. 0 1/3 2/3 1 1…
### Problem 2 # Explanation: ## Step1: Identify the fraction per circle Each circle is divided into 6 parts, and 2 parts are shaded, so the fraction per circle is $\frac{2}{6}=\fr…
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question describe the correlation in the scatter plot below. answer att…
The scatter plot shows **weak negative** correlation because as the plotted values of $x$ increase, the values of $y$ generally **decrease**.
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last year at a certain high school, there were 60 ninth graders on the …
11.7%
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what is the result when the number 90 is decreased by 7.1%? round your …
83.6
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10. the jacobys kept track of the time they spent driving on their trip…
The Jacobys drove $10\frac{1}{2}$ hours on Monday and Tuesday. ### Part B
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find the geometric mean of 7 and 9. a. $3sqrt{7}$ b. $sqrt{70}$ c. $6sq…
A. $3\sqrt{7}$
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question describe the correlation in the scatter plot below. answer att…
The scatter plot shows \(\boldsymbol{\text{negative}}\) correlation because as the plotted values of \( x \) increase, the values of \( y \) generally \(\boldsymbol{\text{decrease…
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when a number is decreased by 45%, the result is 9. what is the origina…
16.4
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guided practice do you understand? 1. draw a picture to explain how to …
The multiplication equation is $5\times\frac{1}{8}$ and the solution is $\frac{5}{8}$ mi. If we solve problem 5:
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the number 78 is decreased to 72. what is the percentage by which the n…
7.7%
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question describe the correlation in the scatter plot below. answer att…
The scatter plot shows \(\boldsymbol{\text{positive}}\) correlation because as the plotted values of \( x \) increase, the values of \( y \) generally \(\boldsymbol{\text{increase…
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describe the association in the scatter plot below. answer attempt 2 ou…
The scatter plot shows no association because as the plotted values of \( x \) increase, the values of \( y \) generally follow a nonlinear pattern.
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1 dariush ate \\(\\frac{3}{8}\\) of the coffee cake while eton ate \\(\…
$\frac{7}{8}$ ### Problem 2 (First part: Can they stand together?)
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when a number is decreased by 7.5%, the result is 61. what is the origi…
65.9
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khalils smartphone plan with stark mobile includes unlimited talk and t…
No, \( x \) and \( y \) do not have a proportional relationship because the graph of their relationship does not pass through the origin \((0,0)\) (when \( x = 0 \), \( y eq0\)).
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question describe the association in the scatter plot below. answer att…
The scatter plot shows a non - linear association because as the plotted values of \(x\) increase, the values of \(y\) generally first increase and then decrease. (For the blanks:…
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3. the senior classes at high school a and high school b planned trips …
A van can carry 18 students, and a bus can carry 59 students.
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question describe the association in the scatter plot below. answer att…
The scatter plot shows a negative (linear) association because as the plotted values of \( x \) increase, the values of \( y \) generally decrease.
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the number 20 is decreased to 19. what is the percentage by which the n…
5.0%
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question when a number is decreased by 19%, the result is 66. what is t…
81.5
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question describe the association in the scatter plot below. answer att…
The scatter plot shows \(\boldsymbol{\text{a non - linear}}\) association because as the plotted values of \(x\) increase, the values of \(y\) generally \(\boldsymbol{\text{decrea…
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fill in the blank 1 point a bead is drawn randomly from a jar that cont…
- Probability of brown bead: $\frac{4}{9}$ - Probability of pink bead: $\frac{2}{9}$ - Probability of blue bead: $\frac{3}{9}$ (or $\frac{1}{3}$)
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what does the word \iconography\ mean if translated literally into engl…
d) image writing
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question describe the association in the scatter plot below. answer att…
The scatter plot shows a negative (linear can also be considered but the key directional term here is negative) association because as the plotted values of \( x \) increase, the …
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every month, midtown grocery store donates 8-ounce cans of vegetables t…
Yes, \( x \) and \( y \) have a proportional relationship.
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12 fill in the blank 1 point if you were to roll a die one time, what i…
\( \frac{1}{6} \)
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the school that stefan goes to is selling tickets to a choral performan…
The price of a senior citizen ticket is $\$8$, and the price of a child ticket is $\$14$.
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describe the correlation in the scatter plot below. answer attempt 2 ou…
The scatter plot shows no correlation because as the plotted values of \( x \) increase, the values of \( y \) generally show no pattern.
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an electronic gadgets distributor distributes various brands of mobiles…
### Smartphone Distribution Answers: 1. 28 2. 55 3. 38 4. 32 5. 48 6. 27 7. 16 ### Milwaukee Average Temperatures Answers: 1. 26 2. 80 3. 57 4. 35 5. 73 6. 54 7. 38
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1 dariush ate \\(\\frac{3}{8}\\) of the coffee cake while eton ate \\(\…
$\frac{7}{8}$ ### Problem 2 #### Part 1: Check if they can stand on the bridge
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question describe the correlation in the scatter plot below. answer att…
The scatter plot shows negative linear with one outlier correlation because as the plotted values of \( x \) increase, the values of \( y \) generally decrease.
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question describe the correlation in the scatter plot below. answer att…
The scatter plot shows negative linear with one outlier correlation because as the plotted values of \( x \) increase, the values of \( y \) generally decrease.
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a. data: 42, 58, 67, 55, 40, 69, 66, 51, 46, 48, 68 1 what is the lower…
## Dataset A Answers: 1. Lower Extreme: 40 2. Upper Extreme: 69 3. Median: 55 4. Lower Quartile: 46 5. Upper Quartile: 67 6. Range: 29 7. Interquartile Range: 21 8. Mean: $\frac{6…
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round to the nearest tenth. 6.78
6.8
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question describe the association in the scatter plot below. answer att…
The scatter plot shows negative linear with one outlier association because as the plotted values of \( x \) increase, the values of \( y \) generally decrease.
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determine the pearson correlation coefficient for n = 29 and α = 0.01. …
0.463 (Wait, no, wait the options: the options are 505, 514, 396, 463 (probably decimal points, like 0.505, 0.514, 0.396, 0.463). So the correct answer is 0.463? Wait, no, maybe I…
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describe the association in the scatter plot below. answer attempt 1 ou…
The scatter plot shows negative linear with one outlier association because as the plotted values of \( x \) increase, the values of \( y \) generally decrease.
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find the geometric mean of 6 and 7. a. \\(\\sqrt{42}\\) b. \\(4\\sqrt{3…
A. $\sqrt{42}$
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what number is equivalent to the expanded form shown below? (2 × 100) +…
250.409
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describe the correlation in the scatter plot below. the scatter plot sh…
The scatter plot shows \(\boldsymbol{\text{nonlinear}}\) correlation because as the plotted values of \( x \) increase, the values of \( y \) generally follow a curved (non - line…