統計與機率
資料分析、機率分佈、假設檢定與統計方法。
-
read the passage from lord of the flies by william golding. ralph overr…
A. society’s dependence on authority
-
read the passage from lord of the flies by william golding. ralph overr…
A. society’s dependence on authority
-
to get detailed values of project schedule and cost performance, look a…
B. schedule variances; cost variances
-
you are using earned value analysis to track your project’s progress. i…
B. ahead of schedule
-
joseph campbell thought myths, such as the hero’s journey, were meaning…
A. formed a sacred belief framework that supported the ways of society.
-
question 4 why might someone accept dogma with absolute faith without e…
A. It provides a sense of rootedness, meaning, and orderliness.
-
22. aviation the graph shows the results of a survey that asked 4300 st…
The range of the number of students is from \( 9,200,000 \) to \( 11,600,000 \) (assuming the survey percentage for "finding new resources for Earth" is 26%). If the survey percen…
-
determine the best measure of variability. justify your answer. standar…
IQR, because the data distribution is skewed
-
question 6 (1 point) listen outsourcing means another company manufactu…
True
-
question 3 (1 point) listen b2b business means one business sells direc…
A. True
-
which of the following best describes the data display? vehicle prefere…
The least popular vehicle is the grey truck.
-
question 1 (1 point) listen employees are considered stakeholders of a …
True ### Question 2
-
determine the best measure of variability. justify your answer. key: 10…
IQR, because the data distribution is skewed
-
what is the best description of the shape of the data distribution show…
Symmetric
-
which of the following best describes the data display? attendees in cl…
The distribution is symmetric.
-
determine the best measure of variability. justify your answer. key: 10…
Standard deviation, because the data distribution is symmetric
-
key: 1|10 represents 10 minutes what is the median number of minutes th…
30
-
what is the best description of the shape of the data distribution show…
Right - skewed
-
(interpreting data displays mc) determine the best measure of variabili…
A. IQR, because the data distribution is skewed
-
while odysseus spoke an old hound, lying near, pricked up his ears and …
Argus symbolizes **loyalty (especially enduring, faithful loyalty to one's master over time, even through abandonment)**. ### For "What detail in the passage shows Argus’s symboli…
-
what is the best description of the shape of the data distribution show…
Right - skewed
-
data values were gathered from residents of several small towns in the …
Univariate numerical
-
question 7 (multiple choice worth 2 points) items at a large warehouse …
Stem - and - leaf plot; it lists exact data values in a compact form
-
data values were gathered from residents of several small towns in the …
Univariate numerical
-
question 1-20 the following data are final exam scores of 10 randomly s…
Mode
-
high school students were surveyed, and the data collected are shown. w…
Univariate numerical
-
which of the following represents categorical data? student id 715158 1…
Student ID (with values like 715158, 119962, etc.) represents categorical data.
-
data values were gathered and are summarized in the table. | height (in…
Scatter plot
-
the following stem-and-leaf plot shows the ages of helga’s neighbors. s…
5
-
question 1-18 22, 84, 36, 48, 28, 39, 53, 67, 82, 58, 39, 35, 45, 48, 7…
48
-
workers at a local humane society were surveyed, and some of the collec…
Bar graph, there should be a comparison of each category
-
what type of graph is used to show a whole that is divided into parts? …
C. Circle or pie graph.
-
question 1-10 what type of graph is used to show how one variable chang…
Line graph.
-
look at the bar graph. the bar graph below shows: books read. bar graph…
the number of books read in four different months
-
height in inches pea bean peanut look at the two bar graphs above. katr…
The pea plant has grown 4 inches. (Corresponding option, e.g., if the options are labeled as D: The pea plant has grown 4 inches, then D. The pea plant has grown 4 inches)
-
you’ve designed a series of social media posts to promote your communit…
B. Share the posts with a small group to gather feedback and make improvements
-
as you begin planning your presentation, you realize there are several …
C. An infographic with key facts and visual data to summarize your findings
-
now that you’ve decided to present to your peers, it’s time to think ab…
B. Sharing personal stories or examples of how social media affects your daily life
-
share what you know with others. which of the following best demonstrat…
B. Create a short presentation that includes global statistics and facts, your personal reflections, and diverse perspectives on the issue.
-
what can you write here to help foster an inclusive environment? chris,…
The correct option is: Chris, maybe you didn't mean it, but not addressing Alexa's requests for help could make others feel excluded. We should make sure everyone feels welcome in…
-
what is the most common purpose for composition in art? a. it helps the…
C. It provides an understanding of, and agreement among, all the elements.
-
the probability of choosing an apple-flavored juice box out of the refr…
D. certain
-
what is the probability of an event that is certain?
1
-
what is the probability of the spinner landing on 2? spinner image with…
$\frac{1}{4}$
-
a bag contains 1 blue, 2 green, 3 yellow, and 3 red marbles, as shown. …
$\frac{1}{3}$
-
a bag contains 5 red marbles, 3 green marbles, 2 purple marbles, 2 oran…
blue
-
if the probability of an event is (\frac{2}{7}), what must be the proba…
$\frac{5}{7}$
-
the probability of choosing a green grape out of the bag that contains …
likely (the option corresponding to "likely")
-
when you are determining the probability of an event, why must the prob…
Probability is the ratio of the number of favorable outcomes (\(n\)) to the total number of possible outcomes (\(N\)) (\(P=\frac{n}{N}\)). Since \(0\leq n\leq N\) (you can't have …
-
your teacher is giving out fruit for lunch. a paper bag contains 4 appl…
Picking an apple or a pear ### Third Sub - Question: Probability of the complement
-
a sock drawer contains 5 different colors of socks. it has 20 white, 10…
\(\frac{1}{5}\)
-
analyzing work caitlyn calculated the probability of the complement of …
Yes, Caitlyn made an error. To find the probability of the complement (rolling less than or equal to 2), she should divide the number of outcomes for "less than or equal to 2" (wh…
-
does choosing a blue marble represent the complement event of choosing …
A. No, the probability of choosing a red marble is not the complement of choosing a blue marble. B. \( P(\text{red}) + P(\text{blue}) = \frac{3}{5} \), not 1. C. The number of blu…
-
does choosing a blue marble represent the complement event of choosing …
No. The complement of choosing a red marble should be choosing a non - red marble. The non - red marbles include blue and purple marbles (since there are blue, red, and purple mar…
-
which word has the same meaning as precise? (1 point) ○ true ○ related …
C. exact
-
according to the guidelines set forth by the american sociological asso…
D. subjects must understand the responsibilities and risks involved in the study and agree to take part
-
what impact did political rivalry between european nations have on expl…
a. It fueled efforts to claim land and expand influence ### Second Question:
-
dan works at a plant nursery. he recorded the number of roses on each b…
# Explanation: ## Step1: Calculate total number of bushes First, we find the number of bushes in each interval: - 0 - 4: Let's assume the height is 2 (from the graph, but maybe be…
-
determine whether the following statement is true or false. if the stat…
B. The statement is false. It should be changed to $x\leq12$.
-
use the pie chart to answer the following question. what is the total n…
$2500$
-
42. marvin will roll a standard 6 - sided die. what is the probability …
$\frac{1}{3}$
-
47. marvin will roll a standard 6 - sided die. what is the probability …
$\frac{5}{6}$
-
britney will flip a coin and then roll a standard 6 - sided die. this t…
$\frac{1}{12}$
-
1. match the question to the correct vocabulary word. 1. which word mea…
1. f. Endear 2. b. Infamy 3. i. Innate 4. d. Benign 5. j. Dubious 6. a. Embody 7. h. Ubiquitous 8. c. Pseudo 9. e. Commensurate 10. g. Fusion
-
a school surveyed 7th and 8th graders to see where they would like to g…
Of those surveyed, 30% prefer to go to the science museum and are in the 8th grade.
-
here is a fdt for a small data set: data freq 29 1 30 3 31 2 32 3 33 11…
mean = 32 median = 33 mode = 33 midrange = 31
-
29 randomly selected students were asked the number of movies they watc…
3 34.4828 4
-
69 randomly selected students were asked the number of pairs of shoes t…
7.5652 8 2.3482 5.5 10 27.5362 9
-
the heights of adult men in america are normally distributed, with a me…
a. 2.1212 b. 2.7490 c. The 5 foot 11 inch American woman
-
adult men have heights with a mean of 69.0 inches and a standard deviat…
79.8991
-
question 7 for a 4 - unit class like statistics, students should spend …
a) 9.5 hours and 14.5 hours b) 7 hours and 17 hours c) 4.5 hours and 19.5 hours
-
please find the range, sample standard deviation and inter - quartile r…
Original range = 41, standard deviation (s) = 12.7, IQR = 19 New range = 190, standard deviation = 54.2, IQR = 23 IQR
-
find the range and standard deviation. the table below gives the number…
Range = 9, Standard Deviation = 2.9770
-
the economy of lunaria is defined by the private ownership of the means…
C. mixed market
-
question 2 this data is from a sample. calculate the mean, standard dev…
Sample Mean = 28.87 Sample Standard Deviation = 14.51 Sample Variance = 210.41 Population Standard Deviation = 13.43
-
which of the following is a defining feature of free markets? the gover…
The government does not interfere in any way with the economic decisions of buyers and sellers.
-
the ages of valentinas five cousins are listed below. 8 12 6 16 15 1) c…
1) 11.4 2) | x | x - μ | (x - μ)² | |----|-------|----------| | 8 | -3.4 | 11.56 | | 12 | 0.6 | 0.36 | | 6 | -5.4 | 29.16 | | 16 | 4.6 | 21.16 | | 15 | 3.6 | 12.96 | | | Σ(x - μ)²…
-
question 6 of 10 one role of team leaders is to facilitate discussion. …
D. To help discussions run smoothly
-
a simple random sample is also which of the following? correct answer(s…
sample, probability sample
-
question 15 1 pts experiencing meaningful patterns in the jumble of sen…
D. perception
-
a restaurant owner is interested in the proportion of his customers who…
- Variable: The answer: Yes or No to whether a customer ordered dessert - Sample: The 65 restaurant patrons whose receipts were observed by the owner - Parameter: The proportion o…
-
a prefix is the multiple choice beginning of some words. foundation of …
beginning of some words.
-
the word element -logy is an example of multiple choice the beginning o…
E. the ending of some words.
-
in the term bilateral, what is the root and what does the root mean? mu…
The root is later and it means side.
-
which of the following is a root that means to breathe? multiple choice…
C. respir-
-
my/o is an example of: multiple choice the prefix at the beginning of s…
the combination of a root and a combining vowel.
-
the element known as the combining form multiple choice can never begin…
is the combination of two roots and a combining vowel.
-
the element known as the combining form multiple choice can never begin…
None of the above options are correct. However, if we assume a closest - correct option among these, the foundation of the word that provides its meaning is the root, and a combin…
-
my/o is an example of: multiple choice the prefix at the beginning of s…
the combination of a root and a combining vowel.
-
question 6 the average time to complete a 10k race for a female runner …
$-1.23$
-
question 5 the number of days (x) after mailout it takes a utility comp…
25
-
the following histogram displays the distribution of battery life (in h…
D. 0.025
-
discussions too, but you want to make your participation meaningful and…
Sharing a resource or an article related to the subject and asking for feedback from others.
-
question 3 suppose the time to complete a 200 - meter backstroke swim f…
152
-
suppose the scores on an exam are normally distributed with a mean μ = …
D. 0.7734
-
what can you write here to help foster an inclusive environment? alexa,…
B. Chris, maybe you didn't mean it, but not addressing Alexa's requests for help could make others feel excluded. We should make sure everyone feels welcome in this group. D. Chri…
-
question 3 it is known that 4% of children carry a certain virus, but a…
C. Out of 5,000 randomly chosen children, 250 children carry the virus.
-
suppose joan has a fair four - sided die with sides that are numbered 1…
A. Joan has provided evidence that calls into question whether or not this is a fair die because the relative frequency of rolling a 2 is quite different than the theoretical prob…
-
the trouble with sports history is that its always being made, which ma…
Language like "trailblazing triumph" and "anything but ordinary" suggests that the author considers Bikila's success so exceptional that it stands out even among other famous vict…
-
the trouble with sports history is that its always being made, which ma…
Language like "trailblazing triumph" and "anything but ordinary" suggests that the author considers Bikila's success so exceptional that it stands out even among other famous vict…