Statistics & Probability
Data analysis, probability distributions, hypothesis testing, and statistical methods.
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which of the following conveys the true meaning of a fallacy? ○ accurat…
Faulty argument
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question 1 points 1 which of the following must be kept in mind while s…
To be polite while sharing feedback.
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select the correct answer from each drop-down menu. let b(t) be the num…
\( b(9)=30 \). This means that after 9 months of reading, the number of unread books remaining on Alex's bookshelf is 30.
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this data set shows the daily number of visitors who used the yoga cent…
B. 28
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type the correct answer in the box. use numerals instead of words. if n…
\(\frac{1}{2}\)
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the maximum speed that a sailboat can reach depends on the size of the …
- The longer the sailboat is, the \(\boldsymbol{\text{faster}}\) it can go. - For a boat to reach the speed of 10 kilometers per hour, it needs to be at least \(\boldsymbol{100}\)…
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alberto and bianca run a 50 km race. the illustration below shows the g…
- Early in the race, \(\boldsymbol{\text{Alberto}}\) runs faster. - Alberto maintains a speed of \(\boldsymbol{25}\) km/h during the first hour of the race. - Meanwhile, Bianca's …
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when two powers with the same base are multiplied, you add their expone…
1. product 2. power - of - a - power 3. negative 4. 1 5. quotient
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read the excerpt from the odyssey. here are the means i thought would s…
D. like the mast of an enormously large ship
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the word inscribe contains the root scrib. what does the root scrib mea…
Write.
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the word metamorphosis contains the root morph. what does the root morp…
shape
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the word interrupt contains the root rupt. what does the root rupt mean…
Break
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the word tripod contains the root tri. what does the root tri mean? two…
three
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the word autograph contains the root graph. what does the root graph me…
write or draw
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the word geology contains the root geo. what does the root geo mean? ea…
earth or rock
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the word microscope contains the root scope. what does the root scope m…
look at or observe
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the word support contains the root port. what does the root port mean? …
carry
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the word missile contains the root miss. what does the root miss mean? …
send
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the word centimeter contains the root cent. what does the root cent mea…
one hundred
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the word millimeter contains the root mille. what does the root mille m…
one thousand
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a telephone is a machine that can carry the sound of someones voice som…
far away
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the root port means carry. what does the word portable mean? able to be…
Able to be easily carried.
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the root phon means sound. what does the word headphones mean? a device…
A device you put on your ears that lets you listen to sounds or music.
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the root vis means see or look at. what does the word visual mean? rela…
relating to seeing or sight
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the root aud means hear or listen. what does the word audience mean? a …
A group of people who gather to watch or listen to a performance.
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the root flec means bend or curve. what does the word reflect mean? to …
To bend back when hitting the surface.
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the root scrib means write or draw. what does the word transcribe mean?…
to write down what is said
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a telescope is a tool that is used to look at something that is far awa…
look at or observe
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what does the \mean\ represent in statistical analysis? the spread of d…
B. The average of data.
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which of the following statistical tools primarily notices trends betwe…
correlation coefficient
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which is a main idea in the right to privacy? ○ people can make their o…
A. People can make their own lawful decisions.
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9 multiple choice 5 points. read the dictionary entry below. convey /kə…
Cannot be determined (missing context from paragraph 8)
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what is the primary purpose of statistical analysis in scientific resea…
The third option: to analyze and interpret the data collected during an experiment
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what does the null hypothesis (h₀) typically state? a direct relationsh…
C. no significant difference between the variables (assuming the options are labeled A, B, C as per the order: A. a direct relationship between the variables, B. null hypothesis h…
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which of these is a true null hypothesis? does taking an aspirin daily …
Taking aspirin daily does not affect heart attack risk.
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which of these is a true null hypothesis? age has no effect on math abi…
A. Age has no effect on math ability
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the gross profits for january at tower center for the five departments …
Appliance Department: \(16^\circ\) Automotive Department: \(21^\circ\) Clothing Department: \(57^\circ\) Grocery Department: \(242^\circ\) Nursery Department: \(26^\circ\)
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explain what is wrong, if anything, with the given statements. explain …
# Explanation: ## Step1: Check the mean calculation First, calculate the sum of the data: \(6 + 7 + 12 + 12 + 15 = 52\)? Wait, no, \(6+7 = 13\), \(13+12 = 25\), \(25+12 = 37\), \(…
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consider g. thumb, the leading salesperson for the moe d. lawn landscap…
11
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use the salaries of employees of the moe d. lawn landscaping company to…
\( 27000 \)
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use the salaries of employees of the moe d. lawn landscaping company to…
\(27800\)
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when a power is raised to another power in an expression, the exponents…
1. multiplied 2. power - of - a - power 3. each factor 4. \(a\) 5. reciprocal
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12. -/5 points the gross profits for january at tower center for the fi…
- Appliance Department: ~4.4%, ~16° - Automotive Department: ~5.9%, ~21° - Clothing Department: ~16.2%, ~58° - Grocery Department: ~69.1%, ~249° - Nursery Department: ~4.4%, ~16°
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14. - / 1 points the amount of electricity used in a typical all - elec…
143
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use the bar graph. percent 60 50 40 30 20 10 0 received care from relat…
parental care only
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when graphing data, what will make it more precise? using a scale to al…
A. using a scale to allow more exact point plotting
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on a graph, where should the dependent variable (d.v.) and independent …
d.v. goes on the y - axis and the i.v. goes on the x - axis.
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when graphing data, what will make it more accurate? using a colorful b…
B. using units to describe data
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which best describes how close data points are to the expected value? p…
accuracy
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which best describes how close data points are to each other? accuracy …
precision
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which best describes data that is observational? qualitative quantitati…
qualitative
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which best describes data that is numerical? qualitative quantitative
quantitative
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on a graph, the vertical axis is the y-axis and the horizontal axis is …
on the vertical or y - axis
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on a graph, the vertical axis is the y-axis and the horizontal axis is …
on the horizontal or x - axis
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24. - / 5 points the gross profits for january at tower center for the …
- Appliance Department: 9.7%, \( 35^\circ \) - Automotive Department: 6.9%, \( 25^\circ \) - Clothing Department: 26.4%, \( 95^\circ \) - Grocery Department: 54.2%, \( 195^\circ \…
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the gross profits for january at tower center for the five departments …
Appliance Department: \( 9.2\% \) Automotive Department: \( 2.6\% \) Clothing Department: \( 25.0\% \) Grocery Department: \( 55.3\% \) Nursery Department: \( 7.9\% \)
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the amount of electricity used in a typical all - electric home is show…
95 kWh
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the amount of electricity used in a typical all - electric home is show…
50 kWh
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the amount of electricity used in a typical all - electric home is show…
304
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the amount of electricity used in a typical all - electric home is show…
64
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the amount of electricity used in a typical all - electric home is show…
121 kWh
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the amount of electricity used in a typical all - electric home is show…
132
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\gdp per capita\ means that the gdp is calculated per ○ country. ○ day.…
person.
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this graph shows the number of times dani’s heart beats during a minute…
C. Dani starts her count at 0 heartbeats and her heart beats 1 time every second.
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level 20 this table shows the temperature of a liquid as it cooled, aft…
B. The liquid was heated to 95 °C and cooled by 0.6 °C every second.
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(c) a company found that employees who start work earlier do not necess…
There is no correlation between start time and amount of coffee consumed.
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(b) a traffic study determined that a larger city population indicates …
C. There is a correlation between commute time and city population. There may or may not be causation. Further studies would have to be done to determine this.
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(a) a yoga instructor collected student data. he found that students wh…
There is no correlation between amount of sleep and range of motion.
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(b) a grocery store collected sales data. it found that a change in pri…
A. There is no correlation between price and amount of milk bought.
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answer the questions below. (a) a financial magazine conducted a survey…
There is a correlation between years of education and salary. There may or may not be causation. Further studies would have to be done to determine this.
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which of the following is an example of a variable? temperature observa…
A. temperature
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question 12 (2.5 points) when outlining your body paragraphs, what do y…
D. Topic sentences, supporting details, and a concluding sentence ### Question 13
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question 5 (2.5 points) consider the following writing prompt: \interpr…
B. Explain the meaning of something using your own words.
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question 3 (2.5 points) consider the following writing prompt: \compare…
A. Point out similarities and differences between the two articles. ### Question 4
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7. | | shorts | no shorts | total | | hat | 10 | 50 | 60 | | no hat | 3…
100 ### Part b
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use the bar graph. percent total k-5 6-8 60 50 40 30 20 10 0 received c…
The preferred method is "child cared for self" (assuming it's an option, as its percentage (26) is the highest among non - parental care methods for 6 - 8 grade children). If we g…
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use the bar graph. percent total k-5 6-8 60 50 40 30 20 10 0 received c…
A. received care from a relative (assuming the options are labeled A, B, C as A. received care from a relative, B. received care from a nonrelative, C. attended center - based pro…
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use the bar graph. percent total k-5 6-8 60 52 53 51 50 40 30 26 19 21 …
received care from a relative (the option with this text, assuming the options are labeled with this description. If the options were labeled as, for example, A. child cared for s…
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when people in gopalpur say that members of different jatis should not …
members of different jatis should not eat from the same dish or sitting on the same line.
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use the bar graph. percent total k-5 6-8 received care from relative re…
received care from a nonrelative
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use the bar graph, percent total k-5 6-8 60 50 40 30 20 10 0 received c…
B. parental care only (assuming option labels, but from data, the preferred is parental care only)
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table of contents 〉 week 2: applying the writing process 〉 lesson 2: pr…
C. Reference resources
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6. the principal at a school checked student class schedules to see if …
200
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use the bar graph. \if the election for u.s. senate were being held tod…
2 --- ### Part (b)
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practice: week 2 lesson 2 self assessment question 3 consider the follo…
The option: "Give a clear, thoughtful explanation or meaning of something with someone else’s words."
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use the information in the figure below. during which month did lisa in…
July (from the dropdown options, the correct month is July where Lisa Brown's expense (red dot) is the lowest)
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| | for | against | no opinion | total | | youth (5 to 19) | 7 | 35 | 1…
13. \( \frac{30}{77} \) (or approximately 0.39) 14. \( \frac{8}{39} \) (or approximately 0.21) 15. \( \frac{2}{9} \) (or approximately 0.22)
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consider the following data set. the annual wages of employees at a sma…
The Middle-Right Graph (the second graph in the top row)
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consider the following data set. the temperatures (°f) at a particular …
The graph on the Top Left
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data gathered on the shopping patterns during the months of april and m…
\( \frac{3}{19} \) (or approximately \( 0.1579 \) or 15.79%) ### Question 10
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draw a bar graph for the data set. data set a: the annual wages of empl…
The Middle - Top Graph (or the second graph in the top row)
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unit 10 lesson 6 8. people at an amusement park were surveyed to see if…
1000 ### Part b
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consider the following data set. the heights (rounded to the nearest in…
| Height | Frequency | |--------|-----------| | 63 | 6 | | 64 | 1 | | 65 | 3 | | 66 | 3 | | 67 | 4 | | 68 | 2 | | 69 | 6 | Wait no, earlier count was wrong. Wait recheck 69: Wait …
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consider the following data set. the annual wages of employees at a sma…
| Wages | Frequency | |-------|-----------| | 14 | 1 | | 16 | 1 | | 18 | 2 | | 20 | 1 | | 25 | 2 | | 30 | 3 | | 35 | 1 | | 50 | 1 | | 60 | 1 |
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consider the following salaries for the executives of a certain company…
30000, 50000
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consider the following salaries for the executives of a certain company…
30000, 50000
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consider the following test scores obtained by a class. test score | 10…
range: 50 mean: 78
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consider the following test scores obtained by a class. test score | 90…
range: 40 mean: 68
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find the range and mean for the following data set. 23, 24, 25, 26, 27 …
range: 4, mean: 25
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28. - / 1 points explain what is wrong, if anything, with the given sta…
False; the median is 10.