统计与概率
数据分析、概率分布、假设检验与统计方法。
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select the correct text in the passage. read the excerpt from julius ca…
I would not, Cassius. Yet I love him well.
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solve each problem. 3. vocabulary write an example of an event that cou…
3. a.m. event: Waking up for school p.m. event: Eating dinner 5. A. 7:15 a.m.
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fill in the blanks. total deviation = ______ deviation + ______ deviati…
B. Total deviation = unexplained deviation + explained deviation
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the word tangible comes from the latin root tangere, meaning \to touch.…
A. possible to measure
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comprensión / comprehension take your best guess as to the meaning in e…
1) First, I have math class. 2) Art class is fantastic for me. 3) We practice sports like volleyball, baseball, and tennis. 4) The teacher is organized and patient. 5) In class, w…
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greek word polis. which statements are true and which are false? 1. the…
1. The geography of Greece united their communities into one empire. :: False 2. The Greek city-states were ruled by kings. :: False 3. The Greek word polis means a city-state. ::…
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9. ned and oprah are preparing for a party. ned blows up 9 balloons in …
| Time (minutes) | 19 | 38 | 57 | 76 | |----------------|----|----|----|----| | Balloons | 12 | 24 | 36 | 48 |
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explain challenge problem drinks at bens beans have a mean sugar conten…
15.5 grams
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a different coffee shop called ruths roasts serves drinks that contain …
A. This drink has relatively less sugar at Jake's Java.
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9. ned and oprah are preparing for a party. ned blows up 9 balloons in …
| Time (minutes) | 19 | 38 | 57 | 76 | |----------------|----|----|----|----| | Balloons | 12 | 24 | 36 | 48 |
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dication is blazing! what is the best interpretation of the z-score fro…
B. This drink is 0.8 standard deviations below the mean of the 32 drinks.
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13 drag each descriptor to the correct space on the table based on whet…
| Category | Capitalism/Free Enterprise | Communism | |------------------------|-----------------------------|-------------------------| | Prices | supply and demand | government …
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the events, situations, or language that surround a particular word, ph…
| Term | Form | Meaning | |------|------|---------| | analyze | verb | to examine the parts of something in detail | | connotation | noun | an idea or feeling that a word suggests…
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the applicants for a soccer coaching position were asked how many years…
B. <The dot plot with 1 dot at 1, 4 dots at 2, 2 dots at 4, 2 dots at 5, 1 dot at 6, 3 dots at 8, 1 dot at 10>
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8. consider the fractions $\frac{1}{3}$ and $\frac{4}{9}$.$\frac{1}{3}$…
For 8b: The table is already correctly completed with equivalent fractions of $\frac{4}{9}$. For 8c: The larger fraction is $\frac{4}{9}$.
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5 how has the development of the european union influenced the distribu…
C. It has facilitated economic growth and trade across member states.
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7. complete the patterns of equivalent ratios by filling in the gaps. 2…
The filled-in ratios are: $9:18$ $3:6$ $1:2$
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lesson check 5. estimate how many yardsticks will be about the same len…
5. 7 yardsticks, or 7 yards 6. 1 yardsticks, or 1 yards 7. A nickel 8. $0.68, or 68 cents 9. 18 more 10. $472 + 286 = 758$
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what is a hyperbole? (1 point)a type of folktale meant toshare a specif…
a figure of speech that uses exaggeration for a specific effect
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ure to thenearest yardlesson 13.8practice and homeworkgo onlineinteract…
1. Estimate: 3 yardsticks, or 3 yards 2. Estimate: 30 yardsticks, or 30 yards 3. about 8 yards 4. Example: A standard park bench is about the same length as a picnic table. To est…
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here are some summary statistics for the ages of students in the underg…
Isabella
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example 4: in a class of 30 students, 19 are studying french, 12 are st…
## Example 4: a.) $\frac{11}{30}$ b.) $\frac{4}{5}$ c.) $\frac{1}{5}$ ## Example 5: a.) 95% b.) 5% c.) 27%
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6. complete the missing values in the ratio table to show the proportio…
- For 8 chickens: 24 eggs - For 30 eggs: 10 chickens - For 20 chickens: 60 eggs Completed table values (in order of missing cells): 24, 10, 60
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example 3: suppose a class contains 60 students, and some students part…
a.) $\frac{43}{60}$ b.) $\frac{11}{30}$ c.) $\frac{53}{60}$ d.) $\frac{7}{60}$
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5. given the ratio table, fill in the missing values to maintain the pr…
- For 8 apples: 24 oranges - For 30 oranges: 10 apples - For 20 apples: 60 oranges Completed table values: | Apples | Oranges | |--------|---------| | 4 | 12 | | 8 | 24 | | 10 | 3…
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4. complete the patterns of equivalent ratios by filling in the gaps. :…
First gap: $1$, Middle gap: $2$, Last gap: $32$ The completed ratios are: $1:4$ $2:8$ $4:16$ $8:32$
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los cognados without looking these words up, write your best guess as t…
1. los monumentos = the monuments 2. un pingüino = a penguin 3. el estómago = the stomach 4. los secretos = the secrets 5. un mapa = a map 6. una lección = a lesson 7. la adopción…
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south carolina2. the average number of free throw attempts and points e…
a. Scatter plot with x-axis labeled "Free Throw Attempts" (0-6) and y-axis labeled "Points Earned per Game" (0-30), with all 14 player data points plotted as listed in Step2. b. T…
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mr. haferd percents level quiz 1 preparation here is what is on the lev…
1. Top decimal scale ticks: 0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1, 1.1 Bottom percent scale ticks: 0%, 10%, 20%, 30%, 40%, 50%, 60%, 70%, 80%, 90%, 100%, 110% 2. Mark …
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example 2: in 2007, a police department found there were 7,831 incident…
a.) $\frac{1807}{7831} \approx 0.231$ b.) $\frac{5403}{7831} \approx 0.690$ c.) $\frac{3166}{7831} \approx 0.404$ d.) $\frac{4665}{7831} \approx 0.596$
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when flying level, a spur-winged goose flies 22 miles in $\frac{1}{4}$ …
A(n) spur-winged goose flies 18 miles per hour faster than a(n) eider duck.
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¿cierto o falso? move a cierto o falso tile next to each statement base…
1. CIERTO. nouns include action words 2. FALSO. Spanish nouns have gender 3. CIERTO. Spanish nouns have one part/word 4. FALSO. el and la are plural articles 5. CIERTO. cognates l…
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the american with disabilities act of 1990 sets the minimum width of a …
1 centimeter on the floor plan represents 20 inches. The equation for the drag-and-drop is: $\boldsymbol{32 \div 1\frac{3}{5} = 20}$
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give the remaining examples a try on your own then watch the pencast to…
a.) $\frac{7}{30}$ b.) $\frac{1}{2}$ c.) $\frac{1}{2}$ d.) $\frac{7}{30}$ e.) $\frac{7}{15}$ f.) $\frac{1}{5}$
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select the pronunciation in this dictionary entry. import ªim-pawrtªi v…
\im-pawrt\
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insert the pronunciation in this dictionary entry:import (imˈpɔːrt) ver…
/ɪmˈpɔːrt/ (US) /ˈɪmpɔːrt/ (US noun); /ɪmˈpɔːt/ (UK) /ˈɪmpɔːt/ (UK noun)
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select the entry word in this dictionary entry. instrument ˈin-struh-mu…
Instrument
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what is the relationship between notes and rests in music? *○ notes mea…
1. Notes mean sound and rests mean silence 2. 4 beats
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example: at a breakfast buffet, 93 people chose coffee and 47 people ch…
### Breakfast Buffet: a.) $\frac{93}{130}$ b.) $\frac{83}{130}$ c.) $\frac{5}{26}$ d.) $\frac{23}{26}$ e.) $\frac{3}{26}$ ### College Freshmen: a.) $\frac{7}{30}$ b.) $\frac{2}{15…
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the number of fish, $f$, in skippers pond at the beginning of each year…
## Part B: 192 ## Part C: 2009 *(Note: For Part A, the graph is an exponential curve starting at (0, 3) (2000), passing through (1,6) (2001), (2,12) (2002), (3,24) (2003), (4,48) …
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discussion : the house on mango street discussion 1 before beginning th…
1. Esperanza feels ashamed and unhappy with her house; this makes her view herself as trapped and unfulfilled, as her home does not align with her idea of a "real" house and highl…
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3. marissa collected 8 seashells. her sister emily found 7 seashells. t…
Each friend received 3 seashells. To show with seashells: Draw 15 total seashells (8 + 7), then group them into 5 equal groups. Each group will have 3 seashells.
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short answer 1. in \the key,\ how does the government use religion to i…
### Short Answer: 1. The government gives young boys golden keys, telling them the keys will grant them entry to paradise if they die fighting in the war, using religious promises…
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10. clarisses definition of being social most clearly emphasizes- * a. …
10. C. meaningful conversation and awareness 11. C. the endurance of ideas
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more multi-step word problems solve each of the following problems usin…
1. 21 shirts 2. 5 bags 3. Cannot solve: Total number of seashells is missing from the image. 4. $\$10$
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persepolis - reading comprehension chapters: \the key,\ \the wine,\ \th…
1. C. To symbolize entry into heaven after death 2. D. Boys from poor families 3. C. Alcohol is illegal 4. B. She pours it into the toilet 5. D. Cutting her class 6. C. Entered ad…
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chipwich summer camp surveyed 100 campers to determine which lake activ…
C. Waterskiing
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① $0.192 \\times 10$ ② $0.39 \\times 1000$ ③ $100 \\times 42.4$ ④ $97.5…
1. $1.92$ 2. $390$ 3. $4240$ 4. $975.7$
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the circle graph describes the distribution of preferred music from a s…
B. Jazz is the preferred music for 56 students.
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a group of 500 middle school students were randomly selected and asked …
100
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the graph shows the value of a certain model of car compared with its a…
C. The correlation coefficient is close to 0.
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the population of a town can be modeled by the regression equation $y =…
B. 41,876
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question 17 of 25 which of these r-values represents the weakest correl…
D. -0.15
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question 16 of 25 what is the quadratic regression equation that fits t…
C. $y=-0.70x^{2}+2.37x+11.96$
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which graph has a correlation coefficient, $r$, closest to 0.75? a. gra…
C. Graph C
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question 13 of 25 which of the following r-values represents the strong…
D. 0.65
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question 8 of 10 which word in this sentence is a conjunctive adverb? t…
D. meanwhile
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question 11 of 25 which of the following is not a possible r-value? a. …
B. -1.6
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by visual inspection, determine the best-fitting regression model for t…
D. Exponential
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4. peter is draining his hot tub so that he can clean it. he puts a hos…
## Equation: $y=-4x+450$ ## Added Story Details: - Peter's hot tub started with 450 gallons of water before he began draining it. - The hose drains the hot tub at a constant rate …
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three runners competed in a race. data were collected at each mile mark…
A. Runner A
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exercise vi. drawing on your knowledge of roots and words in context, r…
1. traducing: To speak maliciously and falsely about someone to damage their reputation. 2. educe: To bring out, draw forth, or develop something (like a feeling or information) f…
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what is the equation of the line of best fit for the following data? ro…
C. $y = -1.560x + 22.105$
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$n(a) = square$ $n(a\\cap c) = square$ $n(a\\cap b\\cap c^{c}) = square$
$n(A) = 29$ $n(A \cap C) = 9$ $n(A \cap B \cap C^c) = 7$
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if weight is an explanatory variable and cost is the corresponding resp…
D. Cost
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question 4 of 25 estimate the line of best fit using two points on the …
B. $y = 8x + 20$
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question 3 of 25 suppose there is a strong positive correlation between…
C. When m increases, n tends to increase.
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by visual inspection, determine the best-fitting regression model for t…
D. Exponential
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caleb observed the costumes that people wore to a costume party. the th…
24%
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question 10 of 10 what is the exponential regression equation that fits…
B. $y=2.26 \cdot 3.02^{x}$
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at the 2022 winter olympics, one country won a total of 150 medals. a c…
D. 120
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question 9 of 10 what is the quadratic regression equation that fits th…
C. $y=2.13x^2 + 0.13x + 6.39$
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question 8 of 10 this table shows the rainfall (in centimeters) for a c…
D. No, because you can't have a negative amount of rainfall.
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question 7 of 10 which regression equation best fits these data? | x | …
B. $y=-0.32x^2 -1.26x+15.81$
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by visual inspection, determine the best-fitting regression model for t…
D. Quadratic
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a university purchased two different paintings in one year. the value o…
Painting A: $\$2027.50$ per year Painting B: $\$1000.00$ per year Painting A's value is increasing more quickly.
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by visual inspection, determine the best-fitting regression model for t…
D. Quadratic
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by visual inspection, determine the best-fitting regression model for t…
D. Exponential
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the number of employees for a certain company has been decreasing each …
536
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incorrect your answer is incorrect. use the aleks calculator to find 45…
32.85
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a calculator was used to perform a linear regression on the values in t…
A. $y = -2.9x + 13.5$
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6 meten 6-1 eenheden 1 hiernaast zie je een lijst met getallen. bereken…
1. a. $500$ b. $3 \text{ miljoen}$ c. $2 \text{ biljard}$ d. $6 \text{ biljoen}$ 2. a. $5 \times 10^5$ b. $8 \times 10^9$ c. $2 \times 10^2$ d. $1.5 \times 10^{15}$ 3. a. C. 9,5 b…
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question 9 of 10 what does it mean to say that a data point has a resid…
C. The point lies 1 unit above the regression line.
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suppose a city with population 200,000 has been growing at a rate of 7%…
828112
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estimate the line of best fit using two points on the line. a. $y=-4x+8…
C. $y = -8x + 80$
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what type of function is represented by the table below and for what re…
D. Exponential, because the y-values for successive integer values of x have a common ratio of 16
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question 7 of 10 a regression line was calculated for three similar dat…
C. Data set C
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question 6 of 10 a set of data points has a line of best fit of $y=2.5x…
C. -1
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question 4 of 10 a data set consists of the following data points: $(3,…
C. 4.5
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a data set consists of the following data points:$(3, 5), (5, 8), (6, 1…
C. 4.5
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question 2 of 10 which of the following best approximates the line of b…
A. [The line graph with a positive slope starting near y=2, passing close to all scatter points]
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what is the equation of the line of best fit for the following data? ro…
C. $y = -1.560x + 22.105$
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2. the graph below shows the weight of a baby elephant where $x$ is the…
### Axis Labels: - x-axis: Time (in weeks) since the elephant's birth - y-axis: Weight (in pounds) of the baby elephant ### Equation: $y=30x+232$ ### Story of the Elephant: This b…
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which of these r values represents the strongest correlation? a. -0.7 b…
A. -0.7
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question 9 of 10 which of these is not a possible r value? a. 0.2 b. -0…
C. 1.75
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question 8 of 10 use a calculator to find the r-value of these data. ro…
C. -0.953
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question 7 of 10 which of the following graphs shows a positive linear …
C. Graph C
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miguel pays $24.07 for 5.8 gallons of gas. find the unit price in dolla…
$\$4.15$
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consider the graphs below. what are the explanatory variables? a. heigh…
D. Temperature, Time, Length
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find the number that makes the ratio equivalent to 24:96. 2:□
8