Statistik
Datenanalyse, Wahrscheinlichkeitsverteilungen und Hypothesentests.
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multiple choice question which of the following is classified as ordina…
A. Someone's ranking of their three favorite foods.
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use efficient methods in a photography club, about 48% of the members a…
First, round 48% to 50% (or $\frac{1}{2}$), a simple fraction for mental math. Round 26 (the number of girls) to itself (or 25 for simplicity). Since 50% means half the total club…
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three different options for school lunch were offered on friday. the ta…
Total lunches sold: 300 Total money earned: $\$1050$
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name: 7-7 additional practice in 1-3, solve the rate problems. 1. jason…
Completed table values: - Time = 1 hour: Distance = 50 miles - Distance = 300 miles: Time = 6 hours Final time to travel 300 miles: 6 hours
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the number of sixth grade students accounts for 35% of the total number…
700 students
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multiple choice question the nominal level of data describes what type …
Observations of a qualitative variable that can only be classified and counted.
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the table shows the number of minutes tim has for lunch and study hall.…
500 minutes
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... or those in favor of slavery will ensure that it is spread to the e…
1. A house divided against itself cannot stand. I believe this government cannot endure permanently, half slave, and half free. → The United States cannot survive forever if the c…
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select all that apply which of the following are the four levels of mea…
- Nominal-level - Ratio-level - Ordinal-level - Interval level
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melcher used 24% of the memory card on his digital camera while taking …
400
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multiple choice question which of the following variables is recorded a…
A. A man's shoe size.
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multiple choice question identify which one of the following is a conti…
The average weight of apples in a box at the market.
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of the students in the marching band, 55% plan to go to the school danc…
200 students
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7. the table shows the options zoes mother has for buying tickets to an…
The 6-pack of Student Tickets has the lesser cost per student ticket, with a cost of $21.00 per ticket compared to $21.50 for the individual ticket.
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multiple choice question which one of the following are properties of o…
B. The data can be ranked or counted.
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action movies make up 25% of saras dvd collection. if she has 16 action…
64 DVDs
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select all that apply which of the following are attributes of a discre…
- It can assume only certain values within a range. - It can be used to count items. - There are gaps between the values of this variable.
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multiple choice question which of the following represents data recorde…
Brand of newly purchased TV.
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multiple choice question what are the two types of quantitative variabl…
Discrete and Continuous.
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multiple choice question which level of data gives the most information…
A. Ratio
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select all that apply identify all of the following items which are qua…
- The miles per gallon for a particular model of car. - The weight of a Siamese cat.
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3 6.5.5 practice 3 calculate the value of each expression by writing th…
$0.0002$
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select all that apply which of the following are attributes of a contin…
- It is typically the result of measuring something. - It can take on any value within a range of values. - There are no required gaps between values.
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3 6.5.5 practice 3 calculate the value of each expression by writing th…
$0.0002$
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multiple choice question which of the following is the best definition …
A. A portion, or part of the population of interest.
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hector spent $\frac{3}{4}$ of his money the day after he cashed his pay…
$\$37.50$
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3 6.5.5 practice 3 calculate the value of each expression by writing th…
$0.0002$
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hector spent $\frac{3}{4}$ of his money the day after he cashed his pay…
$\$37.50$
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multiple choice question which is the best definition of a quantitative…
C. A variable that can be reported numerically
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multiple choice question which one of the following is a population in …
C. All of the automobiles sold in Canada in 2016.
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multiple select question select all that apply identify all of the foll…
A. The colors in a package of M&M's. C. A person's favorite food type. D. The species of trees in a park.
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multiple choice question what is descriptive statistics? methods of org…
Methods of organizing, summarizing, and presenting data in an informative way.
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what is inferential statistics?○ methods of calculating summary statist…
Methods of estimating a property of a population based on a sample.
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sociability and sometimes off-color humor. what is the meaning of the a…
characterized by joviality and enjoyment of food and drink
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true or false question descriptive statistics uses the data to make inf…
False
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multiple select question select all that apply which three of the follo…
A. Every eighth person on the class roster. B. Six randomly chosen books from the library. C. Ten apples selected from a grocery store bin containing 100 apples.
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multiple choice question which of the following is not part of the scie…
B. Choosing data that supports your conclusion.
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overly romanticized view, inns are castles and windmills are giants. wh…
naively idealistic
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4. mr. farley used 4 pounds of hamburger to make 10 hamburger patties o…
0.4 pounds (or $\frac{2}{5}$ pounds) of hamburger per patty
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multiple choice question which of the following is the best definition …
A. A portion, or part of the population of interest.
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rest hundredth. side length of the safe: $6.1\\times10^{5}$ volume = $\…
$2.27 \times 10^{17}$
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select all that apply which of the following are reasons to study stati…
B. Statistical knowledge is needed to understand the world and be conversant in your career. C. Statistics are used to make personal and professional decisions D. Data is collecte…
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select all that apply which of the following are examples of descriptiv…
B. Creating a pie chart to show majors of students in your business statistics class. D. Calculating summary measures of the prices of houses sold in Las Vegas in January.
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multiple choice question how does statistics help us understand large a…
C. A good working knowledge of statistics is useful to organize and summarize information.
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multiple choice question the two categories of statistical study are: ○…
O descriptive statistics and inferential statistics
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true or false question the primary purpose of statistics is to present …
False
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iii. suffix: al b. definition: means pertaining to cheek or mouth 17. o…
17. Oncologist a. Word parts i. Prefix: None ii. Word Root(s): Onco- iii. Suffix: -logist b. Definition: A medical specialist who diagnoses and treats cancer. 18. Cranioplasty a. …
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multiple choice question how has technology increased the need for stat…
B. Vast amounts of data are collected, and understanding it requires statistical knowledge.
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this homework is not calculator active. you will have 2 attempts. it is…
1. 31.25 2. A. $38000 \div 580$, B. $3800 \div 580$, C. $3.80 \div 0.58$
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a warehouse ladder can extend to 28 feet. how many inches is that? use …
336 inches
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weekly homework 2/2-2/6 this homework is not calculator active. you wil…
1. 31.25 2. (Note: Since the full list of expressions for question 12 is not visible, this part cannot be answered. For question 4, the answer is 31.25)
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activity 3 exploring the concept of \persuasion\ the article is entitle…
1. Example quadrant fill: | What I know | What I believe | |-------------|----------------| | Water boils at 100°C at sea level | My favorite sports team is the best | | I know th…
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4. after 1863, what did general grant want to do even if it meant thous…
crush large numbers of Confederate troops
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helpers on land5 land animals help each other, too. a bird called an ox…
A. that an important idea is next
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which graph shows exponential growth?
A. The first graph (top-left, curved upward starting near the x-axis)
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13. order these fractions from least to greatest: $\frac{1}{3}$, $\frac…
$\frac{7}{12}, \frac{2}{3}, \frac{3}{4}$
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12. amalia buys $3\\frac{7}{8}$ yards of material at the fabric store. …
$2\frac{1}{2}$ yards
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11. enrique is saving up for a bike that costs $198. so far, he has sav…
$\$18$
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peter jogs 3 miles in 27 minutes. find the unit rate in minutes per mil…
9 minutes per mile
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refer to the baseball 2021 data, which report information on the 30 maj…
| Variable | Type | |----------------|----------------| | League | Qualitative | | Wins | Quantitative | | Team Salary | Quantitative | | Attendance | Quantitative | | HR | Quanti…
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for the following situations, would you collect information using a sam…
a. Population b. Population c. Population d. Sample
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3 using the table, find the unit rate for each runner. runner laps time…
- Martha: 0.615 laps per minute - Allison: 0.64 laps per minute - Rachel: 0.625 laps per minute
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a ski club rents cross-country skis. write an explicit formula for the …
Explicit formula: $a_n = 7 + 5n$ Correct graph: B. (Graph with points at (1,7) is incorrect; the correct graph has points (1,12), (2,17), (3,22), (4,27) which is option B)
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5 explain the difference between a discrete and a continuous variable. …
Discrete variables can assume **countable, distinct separate values**, but continuous variables can assume **any value within a measurable range**
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use your rounded factors, $4 \\cdot 2$, to estimate $3.8 \\cdot 2.2$. $…
8
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explain the difference between a sample and a population. a is a subset…
A **sample** is a subset taken from a **population**. - Population: The complete set of all items/individuals of interest in a study. - Sample: A selected portion of the populatio…
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buying one movie ticket online costs $16.50, two tickets cost $30.50, a…
recursive: $a_n = a_{n-1} + 14.00$, $a_1 = 16.50$ explicit: $a_n = 2.50 + 14.00n$ The relationship is linear because the cost increases by a constant amount with each additional t…
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by multiplying with whole numbers. round the factors to the nearest who…
$4 \cdot 2$ Estimated product: $8$
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enzos profit has been falling. in december he made $900, in january he …
A. $a_1 = 900$ D. $a_n = a_{n-1} - 400$
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explain the difference between qualitative and quantitative variables. …
Qualitative data is non-numerical, categorical descriptive information, whereas quantitative data is numerical, measurable information representing quantities.
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for each of the following, determine whether the group is a sample or a…
a. Sample b. Population c. Population d. Sample
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a cook makes vegetable barley soup by mixing 2 pounds of barley into 7 …
10 pounds
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slate is a daily magazine on the web. its business activities can be de…
a. Ratio level of measurement b. Nominal level of measurement c. Ratio level of measurement d. Ratio level of measurement
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another look! each of the 6 members of the recycling club earned $3 rec…
1. El costo de 48 trofeos es $\$40$. 2. Hay 3 estudiantes en cada equipo.
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solve $4.36 \\cdot 9.3$ by multiplying with whole numbers. round the fa…
$4 \cdot 9$ Estimated product: 36
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constant of proportionality - table the values of $x$ and $y$ are propo…
1) Constant $k=4$; missing values: $x=4$, $y=20$, $x=2$ 2) Constant $k=\frac{1}{3}$; missing values: $x=12$, $y=5$, $y=3$ 3) Constant $k=\frac{1}{6}$; missing values: $y=2$, $x=18…
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another look! harry scores 394 points on level 1 of a video game. on le…
1. Jamie tiene 847 piezas de construcción ahora. 2. Se puede estimar redondeando los números a cifras más fáciles de calcular: redondear 875 a 880, 257 a 260 y 229 a 230. Restar $…
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mp analyze a problem what do you know? 1. your goal is to exercise for …
$7\frac{3}{4}$ hours
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ir a + infinitive practice complete the steps to change the verb from t…
22. Lee → Ud./Él/Ella → leer → va a leer → He/She/You (formal) is going to read 23. Hablamos → Ellos/Ellas/Uds. → hablar → van a hablar → They/You all (formal) are going to talk/s…
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dig deeper! newton and descartes have a 70-day summer vacation. they go…
6 weeks
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nombre: ____________ fecha: ________ period: ____ ir a + infinitive pra…
## Part 1: Present to ir a + infinitive 22. Subject pronoun: él/ella/Ud. | Infinitive: leer | form of ir a: va a | Infinitive: leer | Meaning: He/She/You (formal) is going to read…
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round 10.571. nearest whole number: ______ nearest tenth: ______ neares…
11 10.6 10.57
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finding the slope of a line > use the information provided to find the …
1. Slope: $6$, which represents a speed of 6 feet per second. 2. Slope: $9$, which represents a rate of 9 dollars per hour.
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review & refresh 4. round 6.294. nearest whole number: ______ nearest t…
Nearest whole number: 6 Nearest tenth: 6.3 Nearest hundredth: 6.29
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question 9 (multiple choice worth 2 points) (04.02f mc)read the followi…
Figurative language: he is using personification to explain the newness of the idea of space exploration
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question 8 (multiple choice worth 2 points)read the following excerpt f…
Figurative language: he is using a metaphor to compare space exploration to a journey at sea
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question 6 (multiple choice worth 2 points) (04.03 mc) read the followi…
Figurative language: he is using an allusion to connect the colonists' bold actions to space exploration
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other times, the relationship between quantities may take some work to …
### Table A: - Relationship: Total meters run is 400 times the number of laps. - Equation: $y=400x$ ### Table B: - Relationship: Meters from school is 400 minus meters from home. …
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4. lilys team scored 64 points in the spelling bee. lily and her 3 team…
4. Lily scored 16 points. 5. Tom brought back 13 pens.
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suppose that you are performing the probability experiment of rolling o…
Part (a): X is the number of rolls needed to obtain the first occurrence of a 4 or 5. Part (b): $X=1,2,3,4,...$ Part (c): $p=\frac{1}{3}$, $q=\frac{2}{3}$ Part (d): 0.3333
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8. plot the points on the number line. 2.1, $-0.4$, 1.3, $-1.8$
- **-1.8**: Position 2 small ticks to the right of -2 - **-0.4**: Position 6 small ticks to the right of -1 - **1.3**: Position 3 small ticks to the right of 1 - **2.1**: Position…
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it has been estimated that only about 15% of california residents have …
1 residents
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money the graph shows a proportional relationship between a persons tot…
$y=63x$
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it has been estimated that only about 15% of california residents have …
1 residents
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felipe drove 406 miles in 7 hours. at the same rate, how long would it …
11 hours
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it has been estimated that only about 15% of california residents have …
$X \sim \text{Geometric}(0.85)$
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it has been estimated that only about 15% of california residents have …
X = 1, 2, 3, ...
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complete the parts below. write your answers as whole numbers or fracti…
(a) One unit rate: $\frac{5}{3}$ pieces of dark chocolate for each piece of milk chocolate Another unit rate: $\frac{3}{5}$ pieces of milk chocolate for each piece of dark chocola…
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complete the tables for different values of $hat{p}$ and $hat{q}=1-hat{…
### Completed Table: | $\hat{p}$ | $\hat{q}=1-\hat{p}$ | $\hat{p}\hat{q}$ | |-----------|---------------------|------------------| | 0.0 | 1.0 | 0.00 | | 0.1 | 0.9 | 0.09 | | 0.2 …
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the table shows the results of a survey in which separate samples of 40…
The 95% confidence interval for the proportion of adults from the West who say traffic congestion is a serious problem is (0.481, 0.579)