Estadística
Análisis de datos, distribuciones de probabilidad y pruebas de hipótesis.
-
reasoning are the two statements equivalent? - the ratio of boys to gir…
Yes The two statements are equivalent because the ratio of girls to boys is the reciprocal of the ratio of boys to girls, and $\frac{3}{2}$ is the reciprocal of $\frac{2}{3}$.
-
find the missing values in the ratio table. then write the equivalent r…
Missing Tea values (from top to bottom): 2.5, 8.75, 6.25 Equivalent ratios (in order): $3.75:1.5$ $2.5:1$ $8.75:3.5$ $6.25:2.5$
-
in joes fish tank, there are 5 goldfish and 6 snails. how does the rati…
A. The ratio 5:11 compares the number of goldfish to the total number of animals.
-
find the missing values in the ratio table. then write the equivalent r…
Missing values in the table (Feet column): $\frac{1}{12}$, $\frac{1}{48}$ Missing values in the table (Inches column): $\frac{3}{2}$ Equivalent ratios: $\frac{1}{2}:\frac{1}{24}$ …
-
ny works at a golf shop cleaning clubs. the graph shows how many sets o…
## Part A (Graph Question) A. 1 set ## Part B (Graph Question) C. Jenny cleaned 3 sets of clubs in 6 hours. ## Question 8 $62.7 \times 0.1$: B. 6.27 $62.7 \times 0.01$: A. 0.627 $…
-
mathematics—session 2: calculator 27. the table shows the height of a c…
Equation: \(y = 6.7x+71.1\) (where \(y\) represents height in centimeters and \(x\) represents age in years) Work/Explanation: We calculated the slope between the points \((2, 84.…
-
you can measure the amount of overlap of two data sets by comparing the…
s: - Difference in medians: 1 - IQR for Free Flyer: 4 (assuming Q1 = 12, Q3 = 16) - IQR for Steel Thunder: 4 (assuming Q1 = 14, Q3 = 18) Wait, but let's re - check with the number…
-
the graph shows the miles per gallon of gasoline a car uses on a trip. …
the number of miles traveled for every 1 gallon of gas used
-
1. select all equations that are true. a ( 835 div 30 = 27\frac{5}{30} …
1. B. $604 \div 40 = 15\frac{4}{40}$, C. $724 \div 60 = 12\frac{4}{60}$ 2. Part A: 13 Part B: C. $(12 - 2) \times (4 + 9)$ 3. C. 17,976 4. B. The value of the 5 on the right is $\…
-
part c the business owner bought a computer that costs $2,400 instead o…
\(v(n)=-460n + 3220\) For Part C, since the original problem of Part C does not provide the details of Method 1 and Method 2 (the depreciation methods for the computer), we can't …
-
select all the equations that represent the relationship between the to…
A. \( t=\frac{7}{2}s \), D. \( s=\frac{2}{7}t \)
-
alex has $70 to spend on stickers. how many sheets of stickers can alex…
20
-
last weeks production at morton manufacturing was 1,600 units. this wee…
19.6% 23% 80%
-
alex is thinking about buying stickers by the sheet. four sheets cost $…
$40.25$
-
a laptop computer is purchased for $950. after each year, the resale va…
$401$
-
9. connection to real life your school purchases a math software applic…
50 students ### Part B
-
a remote - control car moves toward a wall, stops, backs up, and stops.…
E. \( \leq x\leq\) (We would fill in the specific numbers from the graph, but based on the form of the options, E is the correct form for the domain inequality as it is in the for…
-
7. consider a standard deck of 52 cards. determine the number of distin…
\(9880\) #### Part b: 3 Kings
-
when my best friend tells me, \andre, youre running out of time!\ he me…
D. Luisa
-
find each number. round to the nearest hundredth if necessary. 1. 55% o…
1. 77 2. 49.2 3. 55.5 4. 24 5. 36.63 6. 13.86 7. 1.23 8. 6.68 9. 29.04
-
find each number. round to the nearest hundredth if necessary. 1. 55% o…
1. 77 2. 49.2 4. 24 5. 36.63 7. 1.23 8. 6.68
-
joe’s friend gives him a $50 gift card for an online bookstore. each we…
The rate of change (amount spent each week) is constant. We know this because the difference in the gift card balance between consecutive weeks is the same. Joe spends $6.95 each …
-
a candle is 32 centimeters tall and burns for 6 hours. its height is a …
Ben calculated the rate as the absolute change in height (32 - 8 = 24 cm) divided by time (6 hours), so $\frac{24}{6}=4$ cm per hour, ignoring the fact that height decreases (so t…
-
which situation has a constant rate of change? select all that apply. a…
A. On a treadmill, Jamie runs at a speed of 7 miles per hour and then walks at a speed of 3 miles per hour. (Rates: 7 miles per hour, 3 miles per hour) B. Disha is paid $8 for eve…
-
3 select the correct texts in the passage. which two lines best reflect…
1. Their world was a few rooms in a dull, gray concrete flat with no yard and no trees. 2. It was a world of people who did not begin and end each day in shades of gray.
-
antithesis a) the expression of one’s meaning by using language that no…
- Antithesis: C) The juxtaposition of opposing or contrasting ideas - Asyndeton: E) The omission of the conjunctions that normally join coordinate words or clauses - Irony: A) The…
-
3 select the correct texts in the passage. which two lines best reflect…
1. Aside from her school and other crumbling buildings in their neighborhood, their world was a few rooms in a dull, gray concrete flat with no yard and no trees. 2. Then, pulling…
-
2. a total of 49 internet users visited at least 1 of 3 websites: a new…
7
-
select the correct text in the passage. which sentence best develops th…
Instead of cutting stone or pouring metal, she built her art. She deliberately sought discarded items among innovators, Nevelson distinguished herself. Instead of cutting stone or…
-
2. a total of 49 internet users visited at least 1 of 3 websites: a new…
7
-
school of hard knots by alex hanson the typical apprenticeship with a j…
B. "They must learn how to observe, and they must learn patience and cunning"
-
slope as rate of change let’s practice! 1.) the ratio of green marbles …
Completed ratio table: | # of blue marbles | 1 | 2 | 3 | 4 | |-------------------|---|---|---|---| | # of green marbles| 3 | 6 | 9 | 12 | The rate of change (slope) is $\boldsymbo…
-
read this portion of tricia’s text: i understand that our city needs ad…
A. by explicitly listing other ways of raising money
-
1 select the correct answer. a student is arguing for the use of techno…
B. a sentence describing how teachers can use technology to provide students with immediate feedback
-
a customer is buying bath towels and hand towels and can spend no more …
The top-most graph (with the shaded region bounded by the line connecting (15, 0) and (0, 24), the x-axis, and y-axis, including the area above the line's lower side within the no…
-
question 30 according to marx, social solidarity was based on which of …
D. class
-
question 29 egalitarian status refers to ○ social position in a class h…
social position in an unranked social group
-
distribution patterns several basic distribution patterns should be loo…
Histogram a - Unimodal Histogram b - Skewed right Histogram c - Bimodal Histogram d - Multimodal Histogram e - Skewed left
-
jump to level 1 identify the box plot that corresponds to the following…
(b) The orange box plot with outlier at 1, minimum 22, Q1 25, median 33, Q3 41, maximum 55
-
jump to level 1 given the box plot, complete the five - number summary …
Minimum: 10 Q1 (first quartile): 15 Median: 18 Q3 (third quartile): 20 Maximum: 22 Outlier: 2
-
participation activity 1.7.4: characteristics of a box plot. match the …
The minimum value appearing in the data set: 1 The maximum value appearing in the data set: 10 The median value of the data set: 2.5 The number of data points in the data set: Unk…
-
jump to level 1 the following histograms show distributions of house pr…
- The distribution for the East has a higher median than the distribution for the North. - The distribution for the East is symmetric.
-
jump to level 1 the following output is from a sample of median home pr…
117.43 The typical difference between a data value and the mean 380.00 The spread between the maximum and minimum data values
-
720446 5819272 qx3uy? jump to level 1 children per household column1 me…
- What does the value labeled "Count" represent? The number of households sampled - What does the value labeled "Mean" represent? The average number of children per household - Wh…
-
1) what is the median of the dataset 1, 4, 5, 9, 11? 6 5 2) what is the…
1) 5 2) 4 3) 4 4) -1
-
1) what is the mean of the dataset 12, 1, 2? 2) what is the mean of the…
1) 5 2) 4 3) 2.5 4) 6
-
the two - way table shows the medal count for the top - performing coun…
To determine the correct statement, we analyze each option using the two - way table data: ### Option 1: Probability that a randomly selected silver medal was awarded to Great Bri…
-
challenge activity 1.4.2: survey sampling 720446 8019272 cx3quy7 jump t…
Population
-
challenge activity 1.4.2: survey sampling. 720226 8019272 zx3xqy7 jump …
Inferential Statistics (Confidence Interval Estimation)
-
jump to level 1 determine whether the sampling method used is more like…
Overestimate
-
match each description to the correct sampling method. how to use this …
- Cluster sampling: A major polling company in the United States randomly selects Alaska, Illinois, Texas, Florida, and Pennsylvania as the states from which to select households …
-
how to use this tool systematic sampling cluster sampling stratified sa…
1. Cluster sampling → A major polling company in the United States randomly selects Alaska, Illinois, Texas, Florida, and Pennsylvania as the states from which to select household…
-
a is a ratio that compares two different quantities, with one of the qu…
unit rate ### 2. Second Question
-
participation activity 1 4.4: types of bias. match each description to …
1. Social desirability bias: A survey asking how often respondents send text messages while driving routinely underestimates the actual frequency of texting while driving. 2. Unde…
-
1) an analyst obtains the salaries of all federal appeals court judges …
1. Population 2. Parameter 3. Sample 4. Statistic 5. Population 6. Sample
-
22. an online shopping company has $6.13300 cdot 10^{6}$ employees and …
\(5.14529\cdot10^{5}\) (The first option: 5.14529·10⁵)
-
21. in one week, the stock market posted $4.2 \\cdot 10^7$ trades. the …
110,000,000 trades (which corresponds to the option "110,000,000 trades")
-
18. write 0.00003356 in scientific notation. .3356·10⁻⁴ 33.56·10⁻⁵ 3.35…
D. \( 3.356 \cdot 10^{-5} \) (assuming the last option is D, as it's \( 3.356 \cdot 10^{-5} \))
-
17. write 560, 000, 000 in scientific notation. $5.6 \\cdot 10^8$ $56 \…
A. \( 5.6\cdot10^{8} \)
-
16. use the circle graph to match the number of people who use each ope…
1. Windows® 8.1: b. 70 2. Windows® 10: c. 840 3. Windows® 7: a. 1,680
-
challenge activity 1.2.2 misleading graphs. 770466.5310272.qx3ny7 jump …
Graph 1; Since the vertical axis does not start at 0, the difference between years is exaggerated.
-
mind workout date: 8-1-26 a shop sells apple juice in containers of 2 ℓ…
The different ways are: - 6 containers of 2 ℓ. - 4 containers of 3 ℓ. - 2 containers of 3 ℓ and 3 containers of 2 ℓ. - 1 container of 5 ℓ, 1 container of 3 ℓ, and 2 containers of …
-
7. mrs tan fills 6 cups completely with orange juice. each cup has a ca…
225 ml
-
from optimism within by helen keller could we choose our environment, a…
A. Suffering leads to a greater experience with joy.
-
adapted from walden, the video game: playing deliberately by alexander …
C. relief
-
3 select the correct text in the passage. read the excerpt from \a comp…
3. an array of data ordered so that individual items can be located
-
select the correct answer. read the adapted excerpt from oaa hurricane …
D. a preliminary survey to gain information
-
read the sentence. the last bell of the day is music to my ears. what i…
B. creates a happy mood
-
pandora’s post by b. k. mcswain lillian couldnt believe how out of hand…
The words modesty and diffidence both imply "extreme shyness". However, in this sentence, diffidence is used to mean "lack of self - confidence," while modesty is used to mean "no…
-
select the correct answer. read the paragraph. the trail veered off to …
B. dangerously narrowed
-
question a person invested $2,200 in an account growing at a rate allow…
\( 23.0 \) years
-
an online retailer developed two exponential functions to model the wee…
D. The weekly usage of both coupons is decreasing, but only the usage of code 1 is approaching a horizontal asymptote as \(x\) gets larger.
-
select the correct answer from each drop - down menu. the rivera and pa…
The Patel family’s car had the greater initial resale value. During the first six years, the resale value of the Rivera family’s car decreases at an average rate greater than the …
-
5 select the correct answer. an event management company purchases a ne…
A. The situation can be modeled by an exponential decay function with a percent change of -10%.
-
4 select the correct answer. the following function describes the numbe…
D. The number of employees is decreasing by 10% every year.
-
a nature preserve opened with a population of 6 rabbits. after one year…
The points to plot are \((0, 6)\), \((1, 12)\), \((2, 24)\), and \((3, 48)\).
-
select the correct answer from each drop - down menu. the function belo…
Initially, the tundra has \(\boldsymbol{180}\) caribou, and every \(\boldsymbol{year}\), the number of caribou increases by a factor of \(\boldsymbol{1.2}\).
-
a quantity with an initial value of 8900 grows exponentially at a rate …
# Explanation: ## Step1: Convert time to hours Since the growth rate is per hour, we need to convert 411 minutes to hours. There are 60 minutes in an hour, so we divide 411 by 60.…
-
suppose kayla is hosting a party and knows at least 6 are coming. the p…
\(\{x \in \mathbb{Z} \mid 6 \leq x \leq 16\}\) (or equivalently \(\{6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16\}\) since \(x\) must be an integer representing the number of guests)
-
reduces the price such that she earns $1 less in profit from each bouqu…
s: 1. The maximum profit the florist will earn from selling celebration bouquets is $ \boldsymbol{675} $. (Wait, but maybe I made a mistake. Wait, let's recheck the quadratic. If …
-
question 8 of 10 why do scientists use scientific notation? a. it provi…
A. It provides an easier way to write very large and very small numbers.
-
question 2 of 10 what is another way of writing $3.78 \\times 10^5$? \\…
A. 378,000
-
a bag of rice originally came with 27 ounces of rice. a jumbo bag conta…
The new jumbo bag comes with 32.4 ounces of rice. For the double number line, the top number line (ounces) will have 32.4 at the end (since 27 is 100%, and 32.4 is 120% of 27), an…
-
now find 24% of 600. 0 600 0% 100% 1% of 600 is 6. 24% of 600 is (there…
144
-
m4j.l6 increasing and decreasing what is 24% of 600? now find 1% of 600…
6
-
one review found that those who had attempted suicide were at a 38 time…
B. Attempting suicide once increases the likelihood that one will do so again. D. Some mental health disorders increase the risk of suicide. E. Having access to a suicide method m…
-
the exponential model below represents the population of an animal ( x …
The animal's population today is 2685
-
one - time setup fee of $10 and then $4 per box of cards. sidney, meanw…
The system of equations is $\begin{cases} y = 4x + 10 \\ y = 5x + 5 \end{cases}$. The solution is $x=5$ (5 boxes) and each spent $\$30$. For the graph: - Equation $y=4x+10$: Plot …
-
4) choose the correct answer. hank and eva each have song libraries on …
A. 120
-
name: middle east partitioning end of the ottoman empire period: ss7h2 …
s (filled contextually): - Who controlled...: Ancient empires, Ottoman, then Britain/France, now independent states with local/foreign influence. - Ottoman lasted: ~600 years (129…
-
name middle east partitioning end of the ottoman empire period ss7h2 a.…
The Allies (the side opposing the Ottomans) won.
-
pounds of strawberries picked per person x = 1 person how many people p…
7 people 12 people
-
pounds of strawberries picked per person 0, 3/4, 2/4, 3/4, 1, 1 3/4, 1 …
Operation: SUBTRACT Difference: $\frac{7}{4}$ or $1\frac{3}{4}$ pounds
-
gallons of lemonade ordered on tuesday x = 1 order how many customers o…
7 customers $\frac{5}{8}$ gallon
-
type of allusion (biblical, literary, historical, mythological) what is…
| Type of Allusion (Biblical, literary, historical, mythological) | What is it referring to? | |--|--| | Aeneas - A greek legend and Trojan hero; son of Trojan Prince Anchises and…
-
fall into the school year for some kids in the united states and canada…
C. German students get a paper cone filled with goodies, while Japanese students get a sturdy backpack.
-
rita needs to memorize words on a vocabulary list for korean class. she…
11
-
the yearbook club had a meeting. the meeting had 18 people, which is on…
54
-
lesson 1-10 problem solving solve each problem. 1. eddie and tom listen…
1. 8 albums 2. 5 tests passed out to each row 3. 9 pieces 4. 4 chores 5. 8 hours 6. 7 boxes
-
enter the answer in the space provided. use numbers instead of words. x…
\(-1\)