Statistiques
Analyse de données, distributions de probabilités et tests d'hypothèses.
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two functions are described below. - function a: a taxi driver charges …
D. Function B has a greater rate of change than Function A, but the initial value for Function B is less than the initial value for Function A.
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kenzie makes quilts from blue and purple pieces of fabric. the diagram …
Quilt A: 35, Quilt B: 32
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which graph shows the line of best fit for the data? (four graphs with …
The Bottom - Right Graph
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the school band bought cheese and pepperoni pizzas in the ratio represe…
8
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choose the tape diagram and equation that best represent the situation.…
The second tape diagram (with 5 rectangles labeled \( x \) and one labeled 4, summing to 44) and the equation \( 5x + 4 = 44 \) best represent the situation.
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sorry, incorrect... the correct answer is:
The graph on the Top - Left
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1. where was galileo born? tick one. ∘ florence ∘ paris ∘ pisa ∘ rome 2…
C. Pisa ### Question 2
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we hold these truths to be self - evident, that all men are created equ…
The subfield is History (under Social Science).
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is the following a statistical question? how expensive are homes in you…
yes
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is the following a statistical question? how many hours of sleep did yo…
no
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we hold these truths to be self - evident, that all men are created equ…
The subfield is History (under Social Science).
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“criminal street gang” means any ongoing organization, association or g…
Laura's new group of friends requires her to shoplift if she wants to continue to hang out with them.
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the table to answer the questions. checkpoint\taltitude \t\t(feet above…
\( 521 < 3417 \) (so the symbol is <)
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winning spaces non-winning spaces the table shows the numbers of winnin…
For 10 winning spaces, total spaces is 22; for 33 total spaces, winning spaces is 15. (So the missing values are 22 and 15 respectively in the table)
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is the following a statistical question? how many nickels are in one do…
no
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is the following a statistical question? how much snowfall does minneap…
yes
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(a) compare the temperatures of city a and city e using <, >, or =. -28…
(a) \(-28 < 16\), meaning At 6 a.m., City E was warmer than City A. (b) \(-3 > -31\), meaning At 6 a.m., City B was warmer than City D.
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is the following a statistical question? what is the height, in feet, o…
no
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is the following a statistical question? what is a typical number of bo…
yes
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there were 69 players in a soccer league. the coach made 5 teams by put…
\(5x + 9 = 69\)
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is the following a statistical question? how many people attend a typic…
yes
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is the following a statistical question? how long are the roller coaste…
yes
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is the following a statistical question? what is your favorite animal? …
no
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there were 69 players in a soccer league. the coach made 5 teams by put…
The second tape diagram (the one with five \( x \)-labeled segments and one 9 - labeled segment, with total 69)
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or each scenario, choose the best statement. scenarios\tstatements (a) …
(a) The boxer is at his starting weight. (b) You have less money than you started with. (c) The roller coaster is above its initial height.
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is the following a statistical question? in what year did thomas jeffer…
no
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is the following a statistical question? how many cars does your family…
no
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for each scenario, choose the best statement. scenarios\tstatements (a)…
(a) The company’s size is smaller. (b) The temperature is \(0^{\circ}\text{F}\) from its beginning value. (c) The balloon is at its initial height.
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is the following a statistical question? what is the freezing point of …
no
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is the following a statistical question? how much time did you spend on…
no
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isaac spends $81 on books and journals for his 3 cousins. for each of h…
$3(x + 14) = 81$
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fill in the blanks below. (a) chau withdrew 140 dollars from his checki…
(a) -140 (b) 12
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fill in the blanks below. (a) abdul deposited 40 dollars into his savin…
(a) \( 40 \) (or \( +40 \)) (b) \( -2 \)
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(a) hong’s test score average decreased by 3 points this semester. writ…
(a) $\boldsymbol{-3}$ (b) $\boldsymbol{-100}$
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a t < 82 b t ≤ 82 c t > 82 d t ≥ 82
D. $t \geq 82$
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solución gráfica de ecuaciones cuadráticas - artículo 52144 una empresa…
La empresa puede cobrar cualquier cantidad entre $122.41 y $375.59 por capa.
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last summer, watts elementary school’s field day celebration happened o…
$\frac{1}{2}$ (Wait, no, if there are 4 classes, 2 jugs divided by 4 classes is 0.5, which is 1/2. But maybe the number of classes is 3. Then 2/3. But the problem says "their clas…
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fill in the blanks below. (a) a car corporation produced 1900 more cars…
(a) \( +1900 \) (or \( 1900 \)) (d) \( -1000 \)
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vincent and megan agreed to babysit their sister for 3 hours while thei…
$\frac{3}{2}$ (or $1\frac{1}{2}$) hours
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karen and her friends decided to have a water balloon fight! they got 2…
\(\frac{3}{10}\) (or 0.3) liters
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the dance committee of pine bluff middle school earns $72 from a bake s…
A. $t < 82$
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the mosleys are installing new tiles in their bathroom. after measuring…
\(\frac{7}{6}\) (or \(1\frac{1}{6}\) as a mixed number, but the problem asks for a proper fraction or mixed number; \(\frac{7}{6}\) is a proper fraction here)
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a restaurant owner has two freezers. the temperatures (in degrees celsi…
(a) Freezer A: \( | - 4|=\boldsymbol{4} \); Freezer B: \( |-12|=\boldsymbol{12} \) (b) Freezer A is warmer.
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score on last try: 0 of 1 pts. see details for more. at least one score…
\( a\approx700 \) (more precisely \( a\approx745 \)), \( b\approx1.48 \) (more precisely \( b\approx1.45 \)) (using calculator - based regression, actual values: \( a\approx700 \)…
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to make some extra money over the summer, julia and helen got jobs mowi…
\( \frac{5}{2} \) (or \( 2\frac{1}{2} \))
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iatiana wants to give friendship bracelets to her 32 classmates. she al…
(for the inequality): \( 5 + 4p\geq32 \)
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zacharys art club ordered a giant sub sandwich for a party. it was 6 fe…
\(\frac{3}{8}\)
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a pending cash booking of a user’s current balance. juan’s and greg’s c…
(a) Jace: \( | - 84| = 84 \); Greng: \( | - 45| = 45 \) (b) Jace
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27 multiple choice 2.5 points find the value of x. round measures to th…
21.7 ### Question 28
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mrs. smiths class constructed a model of a skyscraper. the model had 4 …
$1\frac{1}{4}$
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destiny has a stamp collection she is very proud of. she buys a frame t…
\( \frac{6}{7} \)
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mias dad made 5 bowls of spicy chili for dinner. before serving them, h…
$1\frac{2}{5}$ (or $\frac{7}{5}$)
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the median of 5, 7, 2, 9, 8 is: 5 7 8 6
7
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on your property tax bill, you see the following table. | destination |…
a. 10.49%
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find the median, first quartile (q1) and the third quartile (q3) for th…
Median \(= 12\), \(Q1 = 6.5\), \(Q3 = 16\)
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each of the 5 cats in a pet store was weighed. here are their weights (…
(a) Median: 12 pounds (b) Mean: 11.2 pounds
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the table shows the shipping costs for items of different values. shipp…
a strong positive correlation
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literary devices - sarcasm: saying or doing the opposite of what you re…
B. when the opposite of what you expect actually happens
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lola needs to sign 96 invitations. using a stopwatch that measures time…
508.8 seconds
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for the following set of data, find the population standard deviation, …
The population standard deviation, to the nearest thousandth, is $\boxed{9.198}$
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solving linear equations using the distributive property raj and aditi …
The linear equation is \( 12 + x = 0.80(20 + x) \), and Aditi would have to win 20 more games.
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read the excerpt from the odyssey. then i sent out two picked men and a…
D. The men sent by Odysseus to investigate the land they had landed upon became forgetful after eating Lotus plants. (Note: Assuming the options are labeled A, B, C, D with D bein…
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for each statement about swot analysis, select true or false strengths …
To solve this, we analyze each statement based on SWOT Analysis concepts: ### Statement 1: "Strengths identified in a SWOT Analysis are new actions a business should implement." -…
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complete the table using the given rules. then, compare pattern a to pa…
Each term in pattern B is 6 less than the corresponding term in pattern A. (And the next terms: Pattern A: 29, Pattern B: 23)
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question 57 not yet answered marked out of 1.00 flag question convert 4…
\(0.43\) ### Question 58
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in a candy factory, a machine is putting candy into a container. the gr…
(a) 60 (b) As time increases, the amount of candy in the container increases. The rate of increase is 60 pounds per minute.
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here are the hottest recorded temperatures (in °f) for each of sixteen …
For part (a), the grouped frequency distribution is: | Temperatures (in °F) | Frequency | |----------------------|-----------| | 93 to 96 | 3 | | 97 to 100 | 1 | | 101 to 104 | 4 …
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find the range of the function defined by the set of points below. expr…
\(\{-9, -6, -2, 1, 3\}\)
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find the range of the function defined by the set of points below. expr…
\(\{-9, - 7, - 2\}\)
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two - way table scenario the table categorizes drivers into age groups …
750
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which of the following best describes the relationship between the vari…
B. negative association
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according to a certain government traffic safety agency for a large cou…
The sample proportion is \( 1.76 \) standard error(s) above the proportion stated in the null hypothesis. \( P - value=\boldsymbol{0.039} \) The correct conclusion is B. Since \( …
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test the hypothesis using the p - value approach. be sure to verify the…
- Is \( np_0(1 - p_0)\geq10 \)? Yes - P - value \( = 0.214 \) - We fail to reject the null hypothesis, because the P - value is greater than \( \alpha \).
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question 1 of 10 which kind of harmony did classical era composers pref…
D. Tonic - dominant - tonic (I - V - I)
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the median of 5, 7, 2, 9, 8 is: 1 point 5 7 8 6
7 (corresponding to the option "7")
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find the rate of change represented by the data in the table below. x| …
b) negative
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which of the following equations is an example of inverse variation bet…
C. \(y=\frac{7}{x}\)
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add. \\(\\frac{4}{10} + \\frac{1}{2} = \\square\\) use the model to hel…
\(\frac{9}{10}\)
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according to the graph, what is the value of the constant in the equati…
C. 3.2
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a railroad crew can lay 6 miles of track each day. they need to lay 162…
(a) 27 days (b) 54 miles
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at a local restaurant, the amount of time that customers have to wait f…
$0.115$
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section 4: what americans must do (paragraphs 18–20, 22–23) paragraphs …
- Device: Parallelism (due to repeated "We should..." structure). - RL 3: The paragraph outlines specific actions (pensions, medical care, employment) FDR believes the US must tak…
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you are dealt one card from a standard 52-card deck. find the probabili…
\(\boxed{\dfrac{2}{13}}\)
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use the formula for $_{n}c_{r}$ to evaluate the given expression $_{7}c…
\( 35 \)
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according to the graph below, what percent of the simpsons annual expen…
c. 24%
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thousands of travelers pass through the airport in guadalajara, mexico,…
(for part a explanation): - Binary? Yes, each trial (passenger pressing button) has two outcomes: red (success) or green (failure). - Independent? Yes, one passenger's outcome doe…
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here are the shopping times (in minutes) for each of sixteen shoppers a…
(a) The frequencies are: 16 to 19: 4 20 to 23: 2 24 to 27: 4 28 to 31: 5 32 to 35: 3 (b) For the histogram, the bars will have heights (frequencies) 4, 2, 4, 5, 3 for the classes …
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if 20% of all manually filed returns contain errors, and 0.05% of all e…
c. 400 times more likely
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casen and damon both reduced their weight by 18%. before they lost the …
C. 73 pounds
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lesson 10-6 practice a theoretical probability find the theoretical pro…
s (for each problem): 1. \( \boldsymbol{\frac{1}{2}} \) 2. \( \boldsymbol{\frac{3}{10}} \) 3. \( \boldsymbol{\frac{1}{6}} \) 4. \( \boldsymbol{\frac{1}{4}} \) 5. \( \boldsymbol{0.…
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the line plot shows the distance lena walks each day for 10 days. each …
D. \( 23\frac{3}{4} \) miles
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ruth, alvin, and percy sat on their grandmothers porch shelling peas fo…
$\frac{2}{3}$
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while working at a soup kitchen, ellen made a pot of vegetable soup to …
$\frac{2}{5}$
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in art class, josiah made 5 clay bowls to send to family members. the b…
$2\frac{1}{5}$ (or $\frac{11}{5}$) feet
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20) fill in the blanks using the available answer choices. martas bowli…
Blank 1: At least, Blank 2: 155 So the answers are: Blank 1: At least Blank 2: 155
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the 4 members of a robotics team held a car wash to raise money. to att…
$\frac{3}{4}$
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cu 3-141. (from lesson 3.3.2) the great frog-jumping contest is ready t…
(Part b): Cruz should win. Ooma’s frog ends at \( 6 \) (total distance \( 6 \) feet), Cruz’s frog ends at \( -12 \) (total distance \( 12 \) feet, or absolute position \( 12 \) un…
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3. ice rink maury has an ice rink in his back yard. the scatter plot sh…
a. (Assuming the points as above) The equation in slope - intercept form is $y =-\frac{1}{5}x + 4$. b. (Based on the above equation) If the thickness $y=\frac{1}{3}$ inches, then …
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17. ratios: (\frac{4}{1} = \frac{2}{1} = \frac{2}{2}) 18. ratios: (\fra…
For problem 17: 1:1 (from $\frac{2}{2}$) For problem 18: 2:3 (from $\frac{2}{3}$) (Note: The problem has some unclear parts, but this is the best interpretation based on the given…
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question 2 / 5 a classmate posts a picture of her artwork online and ot…
D. Write positive feedback about her artwork.