Statistik
Datenanalyse, Wahrscheinlichkeitsverteilungen und Hypothesentests.
-
car. their responses are shown in the table below. | car color | | | --…
175 (Option C)
-
wednesday 1) in a box of 30 crayons, 12 are blue and 18 are red. part a…
$\frac{12}{18}$, 12 to 18, 12 : 18 (or simplified forms like $\frac{2}{3}$, 2 to 3, 2 : 3) ### 1) Part B
-
fill in the bubble completely to show your answer. 14. michelle cuts \\…
A. \(\frac{1}{16}\) yard
-
mrs. acosta bought 5 pounds of potatoes at the grocery store today. she…
\( 12\frac{3}{4} \)
-
ms. barnsley separates her class into two groups. she gives each studen…
The median of Group A is greater than the median of Group B.
-
musa draws the area model shown to help him find 0.4 × 0.9. does musas …
1. No, Musa's model does not show $0.4 \times 0.9$. 2. Change the side length of 0.3 to 0.4.
-
evaluate: $sum_{k=2}^{5}(4k - 2)$ select one: a. 48 b. 24 c. 122 d. 50
A. 48
-
2) a fruit basket contains 8 apples, 6 oranges, and 10 bananas. part a:…
6
-
4. multiply $5.203 \\times 10^4 =$
\(52030\)
-
the conditional relative frequency table was generated using data that …
0.3
-
marcos makes a table to show how many students in his class wear glasse…
The first table (topmost) is correct: | | Glasses | No Glasses | Total | |---------|---------|------------|-------| | Boys | 5 | 13 | 18 | | Girls | 7 | 7 | 14 | | Total | 12 | 20…
-
the 1920s were a time of seeming economic prosperity in the us. read th…
1. **Topic sentence**: The 1920s U.S. economy appeared prosperous on the surface, but underlying flaws in industry, agriculture, consumer behavior, and wealth distribution made it…
-
data were collected on the distance a frisbee will travel when thrown a…
The slope, 3.47, indicates that the distance increases by an average of 3.47 yards for every one mile per hour of speed. The y-intercept, 47.92, is the distance estimated by this …
-
the members of a high school band asked a number of students whether th…
a = 33%, b = 43%
-
the weight, y, in pounds, of human babies was tracked for the first 12 …
This is an example of extrapolation. Extrapolation is not a best practice for prediction, as the prediction is not accurate because 16 weeks is outside the given interval of 12 we…
-
mr. capuano, an art teacher, surveyed his students to find out whether …
6% (Option B: 6%)
-
lisa is examining a two - way table representing the sales of juice pac…
$\boldsymbol{\frac{p}{p+q}}$ and $\boldsymbol{\frac{r}{r+s}}$ (the fourth option)
-
14. the cost of 1 movie ticket is $7.50. the cost of 2 movie tickets is…
$\$30.00$
-
a group of students and workers entering a metro station were asked whe…
D. 166
-
melania is tracking her running training program. the table gives her 5…
$\hat{y}=48.5-2.77x$
-
the two-way table below describes the attendance at a movie theater at …
There is an association because the relative frequencies by column are different.
-
Question was provided via image upload.
a = 12%, b = 18%
-
13. justify conclusions ramona and josh earn money by babysitting. the …
Josh charged more per hour. Ramona earns $\$9$ per hour, while Josh earns $\$10$ per hour, so Josh's hourly rate is higher.
-
michal makes a table to show which of her friends have siblings. she co…
The third table (with rows: Boys: 4 siblings, 6 no siblings, 10 total; Girls:9 siblings,9 no siblings,18 total; Totals:13 siblings,15 no siblings) is the correct one.
-
lisa created the table below to show how different students get to scho…
49 (Option B)
-
amani computed in a two - way table the relative frequencies of sales o…
There is no association because the relative frequencies by row are similar.
-
question 2 (multiple choice worth 6 points) (01.02h mc) the depth at wh…
17.59 feet
-
mrs. nygaards class has 12 boys and 14 girls. she asked the class membe…
gender and field trip preference
-
12. use the graph to find the constant rate of change. then, explain wh…
The constant rate of change is 12 pages per minute. - The point $(0, 0)$ represents that 0 pages are printed after 0 minutes (the starting state of the printer). - The point $(6, …
-
a b total c x 0.25 g d y 0.68 h e z 0.07 j total 1.0 1.0 1.0 which valu…
0.69
-
ketut is organizing a barbecue for his parents. he knows that 13 of his…
parent and meal choice
-
the iq scores and science test scores of fourth grade students are give…
-1.19; The regression line overpredicts the student's science test score.
-
| | meat | not meat | total | | seafood | 16 | 31 | 47 | | not seafood …
$\boldsymbol{\frac{16}{72}}$ (corresponding to the second option)
-
| | summer | winter | total | | town 1 | 567 | 87 | 654 | | town 2 | 34…
25%
-
which could be a conditional relative frequency table? first table: | |…
The second table (with row totals of 1.0 for C and D): | | A | B | Total | |-----|------|------|-------| | C | 0.25 | 0.75 | 1.0 | | D | 0.35 | 0.65 | 1.0 | | Total | 0.30 | 0.70 …
-
a conditional relative frequency table is generated by row from a set o…
An association cannot be determined between the categorical variables because the relative frequencies are similar in value.
-
extra practice find the constant rate of change for each table. 10. tim…
$\$0.03$ per minute
-
2. (a) a realistic offer is one that (b) is made in a joking manner. (c…
(d) seems to make a lot of sense ### Question 3
-
the store owner converts the frequency table to a conditional relative …
0.92
-
a b c total d 0.12 0.78 0.10 1.0 e r s t 1.0 total u x y 1.0 which valu…
0.79
-
what questions do you have? join your discussion now that you have a be…
Natural phenomenon: Tidal patterns (rise and fall of ocean tides), which follow a sinusoidal pattern with a period of ~12 hours. Man-made phenomenon: Alternating current (AC) elec…
-
find a quadratic equation that models the decline in physical recorded …
### Predicted Revenue: 2012: 4273, 2013: 3959, 2014: 3635 ### Difference between Actual and Predicted: 2012: -1604, 2013: -1642, 2014: -1588 ### Quadratic Model: $y = -4.87x^2 - 1…
-
a group of campers were polled about whether they like swimming and whe…
a = 15, b = 18, e = 31
-
find the constant rate of change for each table. 10. | time (h) | 0 | 1…
$\$0.03$ per minute
-
a relative frequency table is made from data in a frequency table. freq…
63% (Option C: 63%)
-
question 5 (multiple choice worth 2 points) (02.01h mc) the weight lucy…
There is no correlation between the weight Lucy lost and the number of weeks.
-
| | likes touring bikes | does not like touring bikes | total | | --- |…
B. $a = 42, b = 5, c = 28, d = 33, e = 10$
-
a family went on a cross - country road trip for their summer vacation.…
Scatter plot
-
esther made the two - way table below showing the number of her schoolm…
cats: 28; dogs: 13
-
warm-up this table shows how many rolls of paper towels a store receive…
I notice that the number of rolls of paper towels is 12 times the number of cases ordered (e.g., \(1\times12 = 12\), \(3\times12=36\), \(5\times12 = 60\), \(10\times12=120\)). I w…
-
a group of 130 people were asked whether their income level is above or…
a = 34, b = 18, c = 68
-
determine the direction, form, strength, and any outliers on the scatte…
This scatter plot has no association, no form, weak strength, and no apparent outliers.
-
proma made the two - way table below showing her friends favorite fruit…
girls: 9; boys: 11
-
tyrell makes a table to show who in his class is wearing lace - up shoe…
The second table: | | Lace-up | Slip-on | Total | |----------|---------|---------|-------| | Girls | 5 | 12 | 17 | | Boys | 8 | 7 | 15 | | Total | 13 | 19 | |
-
yolanda wanted to see if there was a connection between red hair and gr…
x = 14%
-
teen charm 40 12 myself 36 20 tech monthly 22 22 true sports 22 26 whic…
- C. Fifty percent of the people who subscribed to Tech Monthly bought a 1-year subscription. - D. Twenty-six percent of all the magazine subscriptions sold were for Teen Charm.
-
practice 1. in 2014, the attendance at jefferson schools fall festival …
The percent change in attendance from 2014 to 2015 is approximately \(\boldsymbol{-12\%}\) (or a 12% decrease). ### Problem 2: Percent Error in Melissa's Estimate
-
| | liquid | not liquid | total | | bar | 200 | 100 | 300 | | not bar |…
$\frac{100}{400}$ (Option 1: $\frac{100}{400}$)
-
1. according to the 1998 census bureau data, new york city was ranked n…
B. 3,500,000
-
practice 1. sharon paid $78 sales tax on a new camera. if the sales tax…
The cost of the camera is $1200. ### Problem 2
-
table b: frequency of foreign-language studies by row table b: frequenc…
Table A, because the given condition is that the student is taking a foreign language.
-
the two - way table below shows the number of tickets sold for performa…
Twenty-five more tickets were sold to the Sunday shows than to the Saturday shows.
-
2. great britain: 3. germany: 4. austria: 5. italy: renaissance and ref…
6. "Rebirth" (revival of classical Greek and Roman learning, art, and human-centered thought in Europe) 7. Emphasis on human potential, individual achievement, classical studies, …
-
relative frequency table by row vanilla chocolate total boys 37.6% 62.4…
A boy in this class is most likely to prefer chocolate.
-
the conditional relative frequency table was generated using data that …
123
-
cause #5: food shortages - france was going through a bad - food suppli…
- France was going through a bad **famine/agricultural crisis** - Food supplies were **scarce/low** which meant that the price for food was very **high/exorbitant** - People began…
-
which expression can be represented by the model? 0.02 × 0.04, 0.4 × 0.…
$0.2 \times 0.4$
-
a frozen yogurt shop has several flavors of yogurt. luna uses different…
\( 3^\circ\text{F} \) (the option with \( 3^\circ\text{F} \))
-
7. dig deeper! a store sells cashews in $\frac{2}{3}$-pound bags. you b…
The least number of bags is 3.
-
period:______ geography: know the location and significance of the foll…
1. France: Location: Western Europe, bordering the Atlantic Ocean, English Channel, Mediterranean Sea, Spain, Belgium, Germany, Switzerland, Italy, Monaco, Andorra, Luxembourg. Si…
-
6. modeling real life your friend walks \\(\\frac{2}{10}\\) mile to sch…
2
-
what is the range of this relation? graph of a coordinate plane with po…
$\{-1, 0, 4\}$ (matches the bottom-right option)
-
what is the range of this relation? graph of a coordinate plane with po…
$\{-4, -3, 2, 4\}$
-
lucy makes some extra money working as a referee at youth soccer games.…
all multiples of 30 greater than or equal to 0
-
a runner is training on a track. on the first lap, the runner covers a …
B. 2087 meters
-
abraham lincoln is known for many things. he grew up in a log cabin. he…
D. allow
-
a vineyard planted 50 grapevines in 2018. by 2021, the number of grapev…
A. $N(t) = 50(2)^t$
-
question 1.3 juan is sitting in a park near his home with a friend. aft…
The top-most graph (first option) with the sequence: flat positive line → upward slope → downward slope to 0 → flat line at 0.
-
in the group of ordered pairs shown, the x-values are inputs and the y-…
- There is more than one input for some outputs. - There is only one output for every input. - The group of ordered pairs represents a function.
-
select the text from the paragraph that best helps you understand that …
- "Mangum was arrested for embezzling about three million dollars." - "The money that she had taken from the bank was used to buy eighty - five cars for friends and family." - "Sh…
-
do x and y have a proportional relationship? yes no what is the constan…
0.5
-
read the passage and then answer the question. although plants dont tal…
A. not clearly understood
-
in the auditorium there are 28 red chairs and 64 blue chairs. what is t…
\(16:23\)
-
read the passage and then answer the question. in a lineup of major lea…
A. easy to notice
-
64 out of 67 students are going on a field trip. what is the ratio of t…
3/64
-
select the text from the paragraph that best helps you understand that …
- A woman's status was largely determined by her husband's. - A woman often was only regarded highly if people thought well of her husband.
-
fill in the missing numbers to complete the pattern: 6.27, \\boxed{}, 6…
6.29, 6.33
-
4. a person’s arm span is approximately equal to the person’s height. h…
\(3\frac{1}{6}\) feet (or if we consider the middle segment, but based on the two outer segments, it's \(3\frac{1}{6}\) feet. Wait, but maybe the correct sum is \(1\frac{7}{12}+1\…
-
read the passage and then answer the question. for much of united state…
D. position in society
-
which expression can be represented by the model? 3×0.01 3×0.05 3×0.15 …
$3 \times 0.25$
-
select the text from the paragraph that best helps you understand that …
"most people in the United States would rather eat dirt than eat a beetle" and "If you are like most Americans and consider eating insects repugnant" (these texts help understand …
-
a car factory made 41 cars. 16 of the cars had a sunroof. what is the r…
25/41
-
out of the 79 students in the gym, 12 are sitting on the bleachers and …
12:67
-
read the passage and then answer the question. two billion people aroun…
extremely disgusting
-
3. you are shipping three care packages. the first package weighs $10\\…
The total weight of the packages is \(41\frac{3}{5}\) pounds (or \(41.6\) pounds).
-
trevor has 98 coins in his coin collection. 51 of the coins are gold an…
51/98
-
there are 34 empty seats and 16 occupied seats on an airplane. what is …
17:8
-
pamela set up 17 dominoes on the table, but 8 of them have fallen over.…
9:8
-
jadas burger place made 10 burgers with onions and 10 burgers without o…
10/10
-
3 students want lemonade and 25 students want iced tea. what is the rat…
25:3