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 text from the paragraph that best helps you understand that …
Pfungst showed that people tend to make faint movements, such as tilting their heads slightly upward, when they expect to hear a certain answer.
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to determine whether hanss performance was simply a ruse, the german bo…
tendency
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jefferson opens the declaration with a preamble, or introduction. the p…
The colonists feel compelled to end their political connection with Great Britain.
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the table shows the number of pencils that each of 11 friends has in th…
2
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chapter 1: solving equations with variables on both sides > section wha…
When \( 0 = 0 \) the solution is not \( n = 0 \). (For the correct solution: The equation simplifies to \( 0 = 0 \), which means all real numbers are solutions, or the equation is…
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to determine whether hanss performance was simply a ruse, the german bo…
plan that is meant to deceive people
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the meaning associated with a word is called its options: denotation, d…
connotation
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metaphors identify the metaphors in the song lyrics below by underlinin…
Metaphor: *'cause I'm in a field of dandelions*; Meaning: Represents being surrounded by hopeful opportunities (for love) to wish the loved one is theirs, symbolizing abundant rom…
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select the text from the paragraph that best helps you understand that …
with dirty houses and little personal hygiene
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the average, or mean, d, of three exam grades, r, y, and w, is given by…
\( 3D - r - y \) ### Part (b)
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the graph shows the relationship between obesity rates and median incom…
The obesity rate decreases. (Corresponding to the option: "The obesity rate decreases.")
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the chart shows the number of hours full-time college students spend pa…
3 to 6 hours
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why kids participate in fewer team sports (% of responses) no longer li…
The correct option is: "More kids are not participating due to financial reasons than health issues." (The option with the circle next to "More kids are not participating due to f…
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the dot plot shows the number of hours, rounded to the nearest half hou…
The data in the dot plot are skewed left and have a median of 7 hours. Based on the shape of the data, the mean time will be less than the median time. Therefore, Alexis is incorr…
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based on the percentages in the tree diagram, is the new test a reliabl…
The probability that a child will receive a positive test is \( 21\% \) (or \( 0.21 \)). For a child with a positive test, the probability that the child actually has a food aller…
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8. a coin was tossed and a spinner was spun. the spinner has three equa…
A. \( \frac{31}{177} \)
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6) choose the best answer. what elements of media give meaning? ○ words…
D. all of these ### Question 7
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32. select the situation for which you would use a series of points (di…
C. The number of flowers planted each day in June.
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7. two spinners are shown below. if both spinners are spun at the same …
B. $\frac{1}{6}$
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how do babies segment (or pull out) words? choose one answer that is no…
The answer is the option "allophonic knowledge" (the option with the text "allophonic knowledge").
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heres the quiz for week 3. a random set of questions are pulled from a …
False
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box-and-whisker plot make box-and-whisker plots for the given data. 1. …
Minimum: \( 42 \) Maximum: \( 72 \) \( Q_1: 45 \) \( Q_2: 51 \) \( Q_3: 68 \) ### Problem 3: Data set: 67, 100, 94, 77, 90, 62, 79, 68, 95, 86, 73, 84
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the table below shows the average temperatures for a week in the summer…
103.2
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abigail has a box that contains cards of the same size and shape. there…
# Explanation: ## Step1: Find total number of cards First, we need to find the total number of cards. From the problem, we know there are 6 yellow cards, 3 red cards, and 1 green …
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1 when jay had told shawn that mr. reyes had offered some prime real es…
3. skeptical ### Part B
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question 4 this table shows the number of customers a coffee shop serve…
B. 3,310 ### Question 5
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which of the following means \to build\? dibujar jugar afuera construir
C. Construir
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which of the following means \to draw\? dibujar construir jugar afuera
A. Dibujar
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read the selection in your student ebook and choose the best answer to …
C. he found his surroundings unbearable ### Question 2
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5. fiona has a bag of marbles that are all the same size and shape. the…
D. \(\frac{1}{70}\)
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figurative language directions: use the text to complete the graphic or…
### First Quote: "He spoke very slowly and very correctly as though every word was costing him money." # Brief Explanations: - **Identify Type**: This is a simile (uses "as though…
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5. what does the suffix -graph mean? ○ formation ○ to separate ○ instru…
instrument used to record ### Question 6
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consider the standard normal curve given. the mean is 30. the standard …
5
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cathy conducted an experiment in which she placed red, yellow, blue, an…
D. \(\frac{2}{11}\)
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question 1 1 pts when discussing incomes, it is often a better represen…
B. median
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question 9 read this sentence from the passage. the game promotes not o…
C. how believable a player's words and actions are
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heather is playing a game of chance in which she rolls a number cube wi…
$\frac{1}{2}$ (or 0.5) ### Part (b)
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the nine points shown below represent celsius temperatures and their eq…
The slope is \(\frac{9}{5}\). This means that for every \(1^\circ\) that Celsius changes, Fahrenheit changes \(\frac{9}{5}^\circ\).
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10) choose the correct answer. sumerians used ______ to make crop produ…
B. irrigation ditches ### Question 11
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30. olympic softball. a softball player’s batting average is h/a, where…
\( 0.364 \)
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56) the word part atelo- means: ○ incomplete ○ arteriole ○ blood serum …
A. incomplete ### Question 57
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luna is a lifeguard and works for three aquatic centers and private poo…
Yes (because two values, 300 and 224, each occur twice, which are the highest frequencies)
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fog the fog comes on little cat feet. it sits looking over harbor and c…
4. Things of this world are fleeting.
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alg 1.1 lesson 5 redo calculating measures of center and variability da…
The mean absolute deviation (MAD) is \( 2.8 \). ### 2) Calculating Interquartile Range (IQR)
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diane has a bag with 8 balls numbered 1 through 8. she is playing a gam…
-0.25 ### Part (b)
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mesopotamia comes from the ______ word meaning \the land between the ri…
B. Greek ### Question 2
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jessenia spends $5 on a treat every friday for 8 weeks. the equation be…
C. The change in Jessenia's money over the 8 weeks is -40.
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name alg 1.1 lesson 5 redo calculating measures of center and variabili…
The mean absolute deviation (MAD) is \( 2.8 \) ### 2) Calculating Interquartile Range (IQR)
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meredith tells joey that ( 4 \times (-3) ) means 4 groups of ( (-3) ) a…
C. \(5 \times (-2)\)
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-ly definition in your own words: write two words that use the suffix c…
### Definition in your own words: The suffix "-ly" is added to words (usually adjectives) to change their meaning, often to describe how an action is done (making the word an adve…
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diane had 4 cans of green beans, 3 cans of corn, 6 cans of green peas, …
A. \(\frac{3}{95}\)
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mr. powell is a librarian at central library. in examining a random sam…
53360
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16. you may criticize the roads and the lights, but the fact is that (i…
Let's solve these vocabulary questions one by one: ### Question 16 - **Explanation**: We need a word to describe drivers who cause accidents. "Inept" means unskilled or incompeten…
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5. you are going to start your own side business of completing yard wor…
### Sigma Notation: # Explanation: ## Step1: Identify the data set We have the prices: \( 150, 100, 128, 160, 300, 160, 175 \). Let \( x_i \) represent the \( i \)-th price, where…
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calculating variance and population standard deviation the average esti…
The variance of this data set is $\boxed{579}$. The population standard deviation for this data set is $\boxed{24}$.
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directions: write the sentences (you... imperative, declarative, interr…
To solve this, we analyze each sentence to determine if it's **Exclamatory (Ex)**, **Imperative (Imp)**, **Interrogative (Int)**, or **Declarative (Dec)**. Let's go through each: …
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alg 1.1 lesson 5 redo calculating measures of center and variability da…
\( 2.8 \)
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determine the sigma notation is and find the mean for problems 4-5. rou…
Sigma notation: \( \boldsymbol{\sum_{i = 1}^{5} x_i} \) (where \( x_i \) is the price of the \( i \)-th venue) Mean: \( \boldsymbol{218.00} \) dollars
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which type of graph would best illustrate seasonal changes in temperatu…
c. Non - linear
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valentino’s pizzeria sells four types of pizza crust. last week, the ow…
2188
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if a graph modeling exercise time each day shows small rises and falls …
d. Slight daily fluctuations but an overall stable pattern
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find the definition of each vocab word and write it down. it’s meaning.…
# Explicaciones breves: - **Discriminar**: Tratar a personas/grupos de manera desigual por raza, género, etc. - **Diverso**: Variado, con diferencias (culturas, ideas, etc.). - **…
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for classroom awards, ms. blake has coupons in a bag that students can …
B. \(\frac{2}{15}\)
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a university class has 30 students: 17 are business majors, 5 are art m…
0.313
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question 7 this question has two parts. first, answer part a. then, ans…
(Assuming the option with colonists’ oppression by British is the correct one, e.g., if the option is "The colonists have been ignored and oppressed by the British for more than t…
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an automobile manufacturing plant produced 34 vehicles today: 16 were t…
0.128
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the fish counter at a grocery store displays pieces of salmon of variou…
$\frac{4}{4}$ lb (or 1 lb)
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how can looking at a graph help when planning future actions based on t…
d. It allows seeing patterns that can guide predictions or decisions
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a box has 12 candies in it: 3 are butterscotch, 4 are caramel, and 5 ar…
0.091
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haley and bob are moving to woonsocket from providence and so they need…
\( \$42,000 \)
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which of the following means ext weekend\? a veces mas tarde el proximo…
C. El proximo fin de semana (Note: Assuming the third option is labeled C as per standard multiple - choice numbering where the first is A, second B, third C)
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9. which of the following is not a factor that can influence population…
B. Economic growth
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this question has two parts. first, answer part a. then, answer part b.…
The colonists have shown before that they are strong enough to defeat the British. ### Part B
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what does it mean if two segments of a graph represent the same scenari…
b. The rate of change is different during those segments of time
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1. darryl and danny buy a box of a dozen donuts. seven of the donuts ar…
C. \(\frac{7}{22}\)
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what does \fuerte\ mean in english? fast, muscular, strong
C. Strong
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9 how did the reason for the establishment of virginia and the carolina…
D. Virginia and the Carolinas were founded primarily for economic gain, while New England colonies were mainly founded for religious freedom.
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frank is a coffee kind of guy. his coworker asks him where he gets coff…
Mean: \( 4.038 \) (or $4.04$ if rounded to the nearest cent) Median: \( 4.18 \) (or $4.18$) Mode: No mode (all values occur once) Essential or Discretionary: Discretionary
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what does \el hostal\ mean in english? the hostel the beach the hotel
A. The hostel
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a spinner has 12 equally sized slices numbered from 1 to 12. some are w…
\(\frac{1}{12}\) ### Part (b)
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which of the following verbs means to spend time with friends? mirar la…
C. Pasar un rato con los amigos (assuming the options are labeled A, B, C as A. Mirar la televisión, B. Pensar, C. Pasar un rato con los amigos)
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we have a deck of 10 cards numbered from 1 to 10. some are grey and som…
\(\frac{3}{5}\) ### Part (b)
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question 3 read the paragraph from the excerpt. sir, we have done every…
A. It emphasizes a sense of desperation. B. It serves to incite the audience to action.
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3c how many values were there greater than 15? number of values = enter…
To solve the problem of finding how many values are greater than 15, we need the actual data set (the list of values) to compare each value with 15 and count those that are greate…
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which of the following means \school director\? la directora de la escu…
A. La directora de la escuela
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chapter test think your knowledge multiple choice copy the number of ea…
### Multiple Choice Answers: 1. The highway transportation system (HTS) includes vehicles, roadways, and people. So the answer is d. all of these. 2. Safe, low - risk driving need…
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known for their artistic weaving ability, the diné (commonly known as n…
The completed equivalent form of the quadratic expression is \(x(x + 4)\). This equivalent form represents the area (since the original expression represents the area of the recta…
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correct these sentences. 1. “carl will you help me do home work aftersc…
Carl, will you help me do homework after school? ### Question 2
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3c how many values were there greater than 15? number of values = enter…
To solve this problem, we need the data set (the values) to count how many of them are greater than 15. Since the data set is not provided in the question, we can't proceed with t…
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3b how many values were there in the interval 21 – 25? number of values…
15
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teenage inventor alexis lewis thinks that kids have the solutions to th…
B. "Being homeschooled, I had a lot of free time in which I was encouraged to basically go and do and build almost anything I wanted." (Paragraph 8)
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which of the following means frequently? generalmente normalmente frecu…
C. Frecuentemente (assuming the options are labeled A, B, C as A. Generalmente, B. Normalmente, C. Frecuentemente)
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what does the spanish word ormalmente\ mean? normally, generally, frequ…
A. Normally
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which of the following means ormally\? normalmente frecuentemente gener…
A. Normalmente
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name handwriting, date ???, period 6. for a science project, a student …
### Part (a): Dot Plot Creation To create a dot plot, we first list the unique values (heights) and count the frequency of each value for both varieties. #### Variety A Heights: \…
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what does the spanish word \generalmente\ mean? normally generally freq…
B. Generally
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• what happens to michael? are we surprised by his actions at the end? …
### For the "Say" column: This quote is saying that absolute safety doesn't exist; we can only achieve a state that is relatively more secure. ### For the "Mean" column: This quot…
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a 6-sided die with faces labeled 1 to 6 will be rolled once. the 6 poss…
### Part (a) #### Event A: Rolling an odd number ## Step1: Identify odd outcomes Odd numbers on a die (1 - 6) are 1, 3, 5. So there are 3 favorable outcomes. Total outcomes = 6. #…
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a tile is selected at random from 6 tiles. each tile is labeled with a …
### Part (a) #### Event X: Selecting a vowel The first 6 letters of the alphabet are A, B, C, D, E, F. The vowels among these are A and E. So there are 2 favorable outcomes. The t…
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event a: the selected ball has a number from 2 to 5 event b: the select…
\( P(A \text{ or } B) \)