Statistiques
Analyse de données, distributions de probabilités et tests d'hypothèses.
-
select the correct answer. a fair, unbiased coin was flipped 10 times, …
C. 0.3
-
select the correct answer. the designers of a standardized test are int…
D. the frame
-
5 select the correct answer. when evaluating a survey, jody saw that 54…
C. The population proportion of those who think the driving age should be raised may or may not be greater than the proportion who think it should remain the same.
-
3 select the correct answer from the drop - down menu. a survey conduct…
21.5%
-
select the correct answer. two movies, an action movie and a drama, wer…
B. The claim made by the producers of the action movie is correct since more viewers liked the action movie than the drama.
-
sample proportions and margin of error: mastery test 5 select the corre…
D. 0.74
-
select the correct answer. the results of a study revealed a sample pro…
A. 28.54% and 57.46%
-
3 select the correct answer. a survey was conducted on a random sample …
D. It can be concluded, with 90% confidence, that between 75% and 81% of all students will rate the new honors program as "very rigorous."
-
sample proportions and margin of error: mastery test 2 select the corre…
When creating a confidence interval, higher confidence corresponds to a wider interval, and lower confidence corresponds to a narrower interval.
-
select the correct answer from each drop - down menu. marcus gathered d…
\(24\pm1.75\)
-
select the correct answer from each drop - down menu. marcus gathered d…
The margin of error for the 95% confidence interval is approximately \(1.3\) (closest calculated value), but if choosing from the dropdowns, the value is \(1.47\) (though not exac…
-
select the correct answer from each drop - down menu. marcus gathered d…
1.47
-
select the correct answer. a population has a standard deviation of 11.…
C. 0.90
-
normally distributed sample means: mastery test select the correct answ…
14.98
-
select the correct answer from each drop - down menu. brittany conducte…
population mean
-
select the correct answer. a clothing retailer is gathering data on the…
D. There is not enough information to make a conclusion about the population mean.
-
select the correct answer. julie manages a franchise restaurant and is …
D. $6.66$ and $7.04$
-
normally distributed sample means: mastery test 1 type the correct answ…
0.85
-
1. what is the basic power and responsibility of the courts? 2. what ty…
1. To interpret laws and settle disputes. 2. Statutes, regulations, common law. 3. Need to check constitutionality, precedent - consistency, and implications. 4. Consider law hier…
-
which sentence is written in third person point of view? choose one opt…
D. Cynthia and her brother walked home from school this afternoon.
-
i have to tell you—ive never won anything in my life. ive lost every co…
D. "I mean, there was the time I won the school raffle, but that doesn't count."
-
4 multiple answer 2 points what does \ashta\ translate to in english? 4…
4. D. 8 5. A. Head to knee pose 6. A. Half
-
the line plot has 8 < dots plotted on it. the greatest value on the lin…
The height of \(8\frac{1}{2}\) inches occurs most often on the line plot. The greatest value on the line plot is \(9\frac{1}{4}\). The line plot has 7 dots plotted on it.
-
rob owns 6 green t - shirts and 15 t - shirts in other colors. if rob r…
$\frac{2}{7}$
-
you roll a 6 - sided die. what is p(prime)? write your answer as a perc…
50.0%
-
you spin the spinner once. what is p(greater than 3)? write your answer…
$\frac{4}{5}$
-
375 people were at the airport one friday night, and 78 of them were go…
$\frac{26}{125}$
-
you pick a card at random. what is p(greater than 6)? write your answer…
50.0%
-
a florist used several different types of flowers to make a bouquet. li…
$\frac{4}{11}$
-
an amusement park has 2 drink stands and 18 other attractions. what is …
$\frac{1}{10}$
-
you pick a card at random. what is p(odd)? write your answer as a fract…
$\frac{1}{3}$
-
on the last day of a shakespeare class, an english teacher asked her st…
$\frac{1}{3}$
-
you roll a 6 - sided die. what is p(greater than 3)? write your answer …
50%
-
you spin the spinner once. what is p(less than 7)? write your answer as…
$\frac{1}{3}$
-
15. short constructed response prompt: how des milo uses both root mean…
Milo uses root meanings to get a starting point for a word's meaning and context clues to refine and confirm that meaning. He might recognize a root like "scrib -" (related to wri…
-
a teacher recorded the primary languages that the children in his class…
$\frac{8}{16}$
-
a city held a bike parade. 10 bikers rode recumbent bicycles, and 82 bi…
$\frac{5}{46}$
-
lacey went birdwatching and saw 8 ducks, as well as 46 other birds. wha…
$\frac{4}{27}$
-
why did the liberal opposition criticize the new deal? check all of the…
They thought that the New Deal did not provide enough economic opportunity. They thought that the New Deal did not provide enough redistribution of wealth. They thought that the N…
-
according to the document, how long was the stamp act meant to last? ac…
A. Until the colonies had fully paid off the war debt
-
kenneths book collection contains 10 books, including 5 biographies. if…
$\frac{1}{2}$
-
annies pie shop has 12 pies for sale, including 4 chocolate cream pies.…
$\frac{1}{3}$
-
10. a sample of college freshmen is surveyed and asked the following qu…
B. 3,500
-
10. a sample of college freshmen is surveyed and asked the following qu…
B. 3,500
-
q: what does supervised transfer mean? the shift supervisor is there is…
The shift supervisor is there is watch you transfer the resident
-
8. in 2025, a report was published about the number of bald eagle nests…
E. None of the above statements are correct.
-
a university surveys a random sample of 200 students. each student is a…
Because students could select multiple devices when completing the survey, a bar graph, as opposed to a pie chart, would be a more appropriate way to display the data.
-
a sample of employees at a large company is asked the following questio…
None of the above statements are correct.
-
a sample of university employees are surveyed about their primary metho…
The slice for "Walking" would be about 5% of the pie chart, making it the smallest slice.
-
4. the time in minutes taken by each adult in a sample to solve a probl…
D. 51.1%
-
10. a sample of college freshmen is surveyed and asked the following qu…
B. 3,500
-
9. return to the graphical display presented in question 8. which one o…
E. None of the above statements are correct.
-
8. in 2025, a report was published about the number of bald eagle nests…
outliers
-
7. a university surveys a random sample of 200 students. each student i…
A. Because students could select multiple devices when completing the survey, a bar graph, as opposed to a pie chart, would be a more appropriate way to display the data.
-
6. a sample of employees at a large company is asked the following ques…
E. None of the above statements are correct.
-
6. a sample of employees at a large company is asked the following ques…
E. None of the above statements are correct.
-
a tennis ball was thrown in the air. the height of the ball from the gr…
B. There is no linear relationship between time and height.
-
5. a sample of university employees are surveyed about their primary me…
B. The slice for “Walking” would be about 5% of the pie chart, making it the smallest slice.
-
a researcher in alaska measured the age (in months) and the weight (in …
C. 0.59
-
question 5 1 pts the market systems answer to the fundamental question …
"Through the profit potential that encourages development of new technology."
-
for a random sample of 20 professional athletes, there is a strong, lin…
D. -0.87
-
question 1 the term dollar votes in a market system means voters may be…
C. consumers "vote" for certain products to be produced by how they spend their incomes.
-
a restaurant manager collected data on the number of customers in a par…
C. The parties with a larger number of customers are associated with the longer times elapsed until the party left the restaurant.
-
2 mark for review the table shows several values of x and their corresp…
Approximately $0.98$
-
5. a sample of university employees are surveyed about their primary me…
B. The slice for “Walking” would be about 5% of the pie chart, making it the smallest slice.
-
a botanist found a correlation between the length of an aspen leaf and …
E. Even with a correlation value of 0.94, it is possible that the relationship could still be better represented by a nonlinear model.
-
2 mark for review which of the following is the best description of a p…
D. As the value of one of the variables increases, the value of the other variable tends to increase.
-
5. a sample of university employees are surveyed about their primary me…
D. The combined slices for "Bus" and "Train" would take up a little more than one - third of the pie chart.
-
question 3 assume an economy is incurring unemployment. the effect of r…
move the level of actual output on to the economy's production possibilities curve.
-
4. the time in minutes taken by each adult in a sample to solve a probl…
D. 51.1%
-
read the passage from chapter 17 of the prince. nevertheless he ought t…
C. that a prince should only be cruel when necessary
-
3. during the first seven days in march 2025, high temperatures were re…
E. None of the above statements are correct.
-
2. sixty students in a chemistry course are given a surprise pop quiz t…
D. skewed to the right because only a small number of students had high quiz scores.
-
find the indicated probability. a multiple - choice test has 10 questio…
0.250
-
the probability that an individual is left - handed is 0.12. in a class…
mean: 4.8; standard deviation: 2.06
-
shown below are the scatter plots for four data sets. answer the questi…
# Explicación: ## Paso 1: Identificar clústeres Los clústeres son grupos de puntos cercanos. En la Figura 2 y la Figura 4, los puntos se agrupan en grupos, mostrando clústeres. ##…
-
a number cube is rolled three times. an outcome is represented by a str…
| Event | Outcomes Checked | Probability | |--|--|--| | Event A | EEE, EEO | $\frac{1}{4}$ | | Event B | EOE, OEO | $\frac{1}{4}$ | | Event C | EEO, OEE, EOE, OEE | $\frac{1}{2}$ |
-
during one shift, the express lane clerk recorded how many times custom…
57
-
a clue that helps the reader to understand a words meaning by using a c…
analogy
-
which of the following statements accurately describes the result of a …
c. Fewer taxed workers than beneficiaries means that more money is being drawn from the system for the money put in. This leaves a shortage of money in the system making benefits …
-
the data set provided below provides the heights in feet of 31 felled b…
| Height | Frequency | | ---- | ---- | | [60,65) | 0 | | [65,70) | 5 | | [70,75) | 8 | | [75,80) | 8 | | [80,85) | 6 | | [85,90) | 4 |
-
one statistic calculated for pitchers in baseball is called the earned …
B. The interquartile range
-
a reporter collected data on the purchase prices, in thousands of dolla…
A. There is an outlier between $80,000$ and $85,000$. Medians are resistant to outliers, while means are not.
-
determine whether the data set is a population or a sample. explain you…
C. This is a sample, because it is a collection of ages for some members of the legislature.
-
use the box - and - whisker plot to identify the five - number summary,…
Min: - 1.8 Max: 1.8 $Q_1$: - 0.6 $Q_2$: 0.0 $Q_3$: 0.6 IQR: 1.2
-
read the passage. music and the brain from the beginning of recorded hi…
There are many reports on the topic.
-
in the data set below, what is the interquartile range? 1 2 2 2 4 4 6 7
3
-
weights of 67 college students in kilograms in september of freshman ye…
| Weight (kg) | Frequency | |---|---| | 40.0 - 49.9 | 2 | | 50.0 - 59.9 | 12 | | 60.0 - 69.9 | 20 | | 70.0 - 79.9 | 18 | | 80.0 - 89.9 | 3 | | 90.0 - 99.9 | 2 | The distribution a…
-
score on last try: 1.67 of 5 pts. see details for more. all submitted p…
(a) $y = 549.47\times1.04^{x}$ (b) $y=103.26x + 256.26$ (c) Exponential
-
think about the function f(x)=3 - 2x. what does the notation f(0) mean?…
3
-
based on the examples discussed in \waste not, want not,\ which choice …
First question: It increases the length of time that certain food items remain fresh and are appealing to customers. Second question: illustrate the severity of a problem that exi…
-
what effect is created when a writer forms a compound sentence that beg…
C. The author's voice sounds more confident.
-
laras chewing misophonia is so strong that she hasnt been inside a rest…
D. disgust of a particular noise
-
question 27 (3 points) estimate the amount of error in a calculation th…
1. 28 2. length 3. 4 4. 4 5. 3120 square inches
-
read the dialogue found in act ii, scene iv of romeo and juliet. romeo …
It creates a mischievous mood as Mercutio and Romeo banter about Romeo's disappearance.
-
how does urbanization typically impact population distribution? * elimi…
1. Concentrates population in metropolitan areas 2. Lowland areas along the Atlantic and Gulf coasts 3. Infrastructure complexity and economic indicators
-
read the sentences. then, use inferences to answer the questions. the c…
grouchy
-
read the sentences. then, use inferences to answer the questions. the c…
ill - tempered
-
in a survey given to students, the following ages were recorded: 14, 15…
16 ### Question 12
-
question 8 (3 points) a basketball player makes 70% of their free throw…
C. 7 ### Question 9