Statistics & Probability
Data analysis, probability distributions, hypothesis testing, and statistical methods.
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does the frequency distribution appear to have a normal distribution us…
A. No, the frequencies do not decrease from the maximum frequency to a low frequency
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determine word meanings using context clues 1 - quiz - level d see it. …
to manage
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read the excerpt from act 5, scene 1, of julius caesar. octavius. come,…
It emphasizes the savagery of the assassins' actions toward Caesar.
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a car increases, then decreases, its speed. which table could represent…
The second table (Time: 5, 6, 7, 8, 9; Speed: 45, 47, 49, 48, 47) could represent the speed of the car.
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fit challenges organized an obstacle course for adults. they tracked th…
260
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mr. pearson drives a bus for the city of greenwood. last month, he kept…
65
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select the correct answer. in this excerpt from the poem \learning to r…
B. approaching
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select the correct answer in this excerpt from the poem \old ironsides\…
B. pace
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this table shows the distance traveled by a car and the cars average sp…
The dependent variable with a constant rate of change is Distance. The constant rate of change is 165 miles per day.
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a study was conducted to determine how people get jobs. the table below…
The second pie - chart (the one with a large blue slice for Networking, a medium - sized yellow slice for Mass mailing, a smaller red slice for Executive search firms, and an even…
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use the excerpt from \butterflies are disappearing in ohio. heres what …
The decrease in bug splatters is cause for concern.
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(a) find the five - number summary, and (b) draw a box - and - whisker …
Min: 1 Q1: 2.5 Q2: 7 Q3: 8 Max: 9 (Note: Since no details about the box - and - whisker plot options are clear enough to choose one, only the five - number summary is provided com…
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use the box - and - whisker plot to identify the five - number summary.…
Min = 10 Q1 = 13 Q2 = 16 Q3 = 18 Max = 21
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the data represents the heights of eruptions by a geyser. height of eru…
(Without seeing the full content of options clearly, assume we have constructed the stem - and - leaf plot as follows: 3 | 3 4 | 0 0 5 | 0 0 0 4 6 | 0 5 7 7 | 0 0 5 6 8 | 0 4 9 | …
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suppose you spin the spinner twice. what is the probability of spinning…
3
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hazardous waste: following is a list of the number of hazardous - waste…
Median: 19 First quartile (\(Q_1\)): 12 Third quartile (\(Q_3\)): 38 Lower outlier boundary: - 27 Upper outlier boundary: 77
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read the excerpt below from act 5.1 of the tragedy of julius caesar and…
D. figurative language
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if necessary, rearrange the pieces below so that the sentence is in the…
John Diggle repairs the aliens' spaceship.
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in 29 - 31, use the table at the right. 29. communicate and justify sup…
Theresa ### 30.
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which point represents the outlier in the scatter - plot? a. (2,4) b. (…
A. (2,4)
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when ibram first started taking part in student council, he would get a…
- Which phrase means something similar to temporarily?: for only a short time - Which phrase describes what tension feels like in a person's body?: tight and uncomfortable - Which…
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9. read the example below. which sentence shows the correlation between…
One reason school uniforms are good for students is that they protect students from being bullied for what they wear. A recent study showed that bullying incidents over clothing w…
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directions:read the question carefully and select the best answer. 1. w…
c. adjective | responsive to touch, light, or sound
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the state education department requires local school districts to keep …
Current Grade Level, Disabilities or Special Needs, Student Name, Race or Ethnicity
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directions:read the question carefully and select the best answer. 1. w…
c. adjective | responsive to touch, light, or sound
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1. the individuals in this data set are: * irene is gathering informati…
1. C. College Students 2. D. 6 variables, 3 of which are categorical
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question 8 in a study, the data you collect are gender. what is the lev…
nominal
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the king high school football team has three players who take turns pla…
The lower quartile of Neil's carries is less than the lower quartile of Jaden's carries.
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a company displayed two versions of an online ad. they counted the numb…
Ad A had a higher median number of clicks generated in a day. 200 clicks per day
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chapter 1 quiz score: 20/220 answered: 3/22 question 4 is this value fr…
Discrete
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for a science project, rhianna set out to study how long people can hol…
Mean: Increases Median: Increases Mode: Remains the same Range: Decreases
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determine whether the value is a parameter or statistic 43.87% of voter…
Parameter
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name______ period______ date______ statistics data use your textbook to…
| WORD | MEANING | SYMBOL | |--|--|--| | Mean | The average of a set of numbers, sum of values divided by number of values | $\bar{x}$ | | Median | Middle value in a sorted set (a…
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polly trains her dogs, bingo and rudy, to participate in agility compet…
Rudy had one very low score.
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at the start of the track season, coach jennings recorded how long it t…
There is more variation in the athletes' times at the start of the season than at the end of season. This can be seen in the box plots because the range (or inter - quartile range…
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in silver city, incoming high school students take a math placement tes…
50%
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the frequency table shows the length of time, in years, that the member…
Mean: Increases Median: Increases Mode: Remains the same Range: Increases
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4.1 empirical probability. empirical probability. a group of people wer…
$0.424$
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ex4) a study of consumer smoking habits includes 200 married people (54…
$\frac{129}{175}$
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the lists show the heights, in inches, of the players on two basketball…
The median height for the Cranes is less than the median height for the Comets. If the outlier were removed, the median height for the Cranes would stay the same, and the median h…
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base your answer to questions 10 - 11 on the source below and on your k…
10. (1) became symbols of power and wealth 11. (3) Rulers controlled their nobles by influencing where they lived. 12. 3. expanded his territory 13. (3) Enlightenment
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question 7 (1 point) what does the catholic church say about a human st…
Question 7: Citizens should work to change such a law but, in the meantime, it must be obeyed unless the Church tells citizens they are released from obedience. Question 8: Legiti…
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directions: to earn the highest score on the constructed response, you …
Authoritarian governments can make rapid, top - down decisions for strict measures. Democratic governments involve more public input and may have more phased responses.
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“i think theres been foul play,” said poole, hoarsely. “foul play!” cri…
The reader learns something Mr. Utterson does not know.
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based on the data in the histograms, what can rita conclude about the d…
There is not enough information to compare the upper quartiles for April and May.
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a computer manufacturer is performing a quality check to make sure the …
$\frac{1}{250}$
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unit 3: land - based empires study guide 1. which innovation is essenti…
1. Maritime - navigation innovations 2. The Ottoman Empire 3. Istanbul 4. The Safavid Empire; Ismail I 5. A king or monarch in Persian - speaking cultures 6. The caliph should be …
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choose the correct answer. what does the spanish word ormalmente\ mean?…
Normally
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choose the correct answer. which of the following means \frequently\? n…
C. Frecuentemente
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choose the correct answer. which of the following means \generally\? fr…
B. Generalmente
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read the excerpt from julius caesar, act 2, scene 1. decius. shall no m…
Mark Antony’s life will be spared because he will be useless without Caesar.
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select the correct answer which sentence correctly conveys the same mea…
A. Tienes miedo.
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question 29 0 / 3 points a training program is tested on 10 employees. …
$4.35$
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question 23 0 / 3 points a company claims that the average battery life…
$-1.67$ ### Question 24
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11 fill in the blank 6 points (a) find the five - number summary, and (…
(a) Min = 1, Q1 = 2.25, Q2 = 7, Q3 = 8.75, Max = 9 (b) Without seeing the actual box - and - whisker plots A, B, C, D in detail, we have calculated the five - number summary which…
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question 26 (3 points) saved the time required to complete a task is no…
$(61698, 68302)$
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their power to stop it. published in cosmopolitan jan. 2015. louisiana …
Yes, because it fails to use quotation marks and fails to cite the source.
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fill in the blank 3 points. the data show the number of hours spent stu…
(a) 5 (b) 50 (c) 7.1
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df2: understanding probability in social sciences think of a situation …
One example is a pre - election poll. Probability is used to estimate the likelihood of a voter supporting a particular candidate based on a sample, which helps predict the overal…
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the table shows the height of the tree that margo planted over an 11 - …
The tree increased in height each month until the time - period between month 9 and month 11.
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using repetition means to read, write and ______ the information to be …
B. say
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15. what does the suffix -or most likely mean in the words inspector an…
B. a person who
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13. what does pre mean in the word predict? * a. after b. before c. tog…
13. B. before 14. C. against
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11. what does the root dict mean? * a. look b. speak c. help d. show 12…
11. B. speak 12. D. around
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rory records the percentage of battery life remaining on his phone thro…
9 hours, 14 hours, 19 hours
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9. if you do this to a person in authority in a rude voice, then you wi…
9. A. contradict 10. A. look
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for dark - skinned mexicans, taint of discrimination lingers by tim joh…
D. unattractive
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the data shows the number of hours spent studying per day by a sample o…
1. Without the data, we cannot give a numerical answer for the value below which 75% of students studied. 2. Without counting the number of data points above 3.5, we cannot give a…
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fill in the blank 6 points (a) find the five - number summary, and (b) …
Without seeing the actual options A, B, C, D, we can't give a specific letter - based answer. But the correct box - and - whisker plot should have a box with left - hand side at 2…
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in this lesson, to \associate concepts\ means to describe their differe…
F
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df2: understanding probability in social sciences think of a situation …
An example is political polling. Probability is used to calculate margin - of - error and confidence levels to assess how well the sample represents the population.
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df2: understanding probability in social sciences ur 2: understanding p…
One example is a sociology study on voting behavior. Probability sampling was used to randomly select voters. This allowed estimating the probability of different voting - prefere…
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a research study aims to analyze the distribution of preferred music ge…
two - way frequency table
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which is best at reducing stress? if you are a dog lover, having your d…
1. The value 97.5 is an outlier in the pet distribution as it is greater than the upper fence of 95.9 calculated using \(Q_1 = 68.9\), \(Q_3=79.7\) and \(IQR = 10.8\). 2. Parallel…
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answer the following questions. 1) choose the best answer. what does th…
None of the above options are correct.
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fill in the blank 1 point determine whether the statement is true or fa…
B. This statement is false. A true statement is "An outlier is any number above Q3 + 1.5(IQR) or below Q1 - 1.5(IQR) are considered outliers."
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fill in the blank 1 point. determine whether the statement is true or f…
B. True
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determine whether the statement is true or false. if it is false, rewri…
D. The statement is false. The 50th percentile is equivalent to Q2.
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describe the relationship between quartiles and percentiles. choose you…
Quartiles are special cases of percentiles. The first quartile is the 25th percentile, the second quartile is the 50th percentile, and the third quartile is the 75th percentile.
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s8 ecuador nombre: periodo: fecha: 5. the galapagos islands are about 1…
5. Let $x$ be the number of miles. We have the proportion $\frac{3}{2}=\frac{1000}{x}$. Cross - multiplying gives $3x = 2000$, so $x=\frac{2000}{3}\approx667$ miles. 6. The four d…
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11. the baby didnt mean to, but he made a ______ of himself when he thr…
11. C. spectacle 12. B. retrospective
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42 multiple choice 2 points the reconstruction era ended when congressi…
42. B. Withdraw Federal troops from the South 43. C. Allow both white and Black men the right to vote.
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3) choose the best answer. what doessub - saharan mean? east of the sah…
3) C. south of the Sahara 4) C. Sahel
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fill in the blank. 4 points. explain how the interquartile range of a d…
less than $Q_1 - 1.5\times IQR$, greater than $Q_3+1.5\times IQR$
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a students score on an actuarial exam is in the 78th percentile. what c…
D. The student scored higher than 78% of the students who took the actuarial exam
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hiking elevation (feet) time (min) melissa corey 0 8,342 10,004 30 9,55…
Melissa's and Corey's elevations were same at some time between 60 and 90 minutes. Corey began his descent before Melissa.
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fill in the blank 1 point a motorcycles fuel efficiency represents the …
D. The motorcycle's fuel efficiency is greater than the fuel efficiency for 90% of vehicles in its class.
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fill in the blank 1 point the goals scored per game by a soccer team re…
A. The team scored fewer goals per game than 75% of the teams in the league
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from the farmers son 1 i started running a year ago. sometimes when i a…
Part A: 1. calm and peaceful Part B: 1. "I forget the pain in my legs and ankles. I simply am." (Paragraph 1) 4. "I feel that I am in control now—my life has a sense of stability …
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36 multiple choice 2 points congress wanted to impeach president andrew…
36. D. He violated the Tenure of Office Act. 37. A. End the institution of slavery in the United States.
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amy and laura recorded the average gas mileage (mpg) of their vehicles …
Both Amy and Laura increased their gas mileage in the first two weeks.
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13. the ______ means that the man will face a trail to decide if he com…
13. E. indictment 14. D. dictionary
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1. the phrase terra firma is a latin phrase commonly used in english. i…
A. solid ground
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3. some people seem to have an accent. they simply differ in what, comp…
3. D. diction 4. A. dictionaries
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1) match the following phrases with the corresponding greek or latin wo…
from the word gladius which means sword - e. gladiator I have found it - c. eureka and others - f. et. al. by way of - d. via I came, I saw, I conquered - b. veni, vidi, vici a ma…
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1 i started running a year ago. sometimes when i am running hard i forg…
Part A: 3. Paragraph 2 explains how the author first decides to start running, and paragraphs 3 and 4 describe how he improves over time until he can complete a race. Part B: 4. T…
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in this lesson, to “associate concepts” means to describe their differe…
F
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read the passage. alicia resented the fact that she had to sit through …
2. grudgingly
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compare the student text with the source. source: jim murphy, truce: th…
Yes, because it fails to use quotation marks and fails to cite the source properly.
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given the mean of a data set is 22 and the standard deviation is 2, whe…
A. 20 to 24