Estadística
Análisis de datos, distribuciones de probabilidad y pruebas de hipótesis.
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7. match the definitions with the terms. the statement was backed up by…
1. Supported evidence → The statement was backed up by three facts and five examples. 2. Objective writing → The statement was perfectly clear and stuck to the facts. 3. Connotati…
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7. 12, 14, 14, 10, 5 the number of games played by 5 friends after scho…
7. C. 11 8. C. 4¢
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4. 345, 245, 122, 133, 200 determine the mean of the set of data above.…
Question 4: C. 209 Question 6: D. 4, 4, 5, 7
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3. 25, 7, 17, 17, 9 the number of books read by 5 students is shown abo…
1. For question 3: A. 15 2. For question 5: A. 2, 2, 2, 4, 5
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ermine the mean of a set of data a of 2/9/26 due date 2/13/26 tem below…
B. 7, 8, 10, 12, 13
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1. to find the mean of a set of a data, you: a. add all the numbers in …
A. Add all the numbers in the data set and then divide the total by the number of data points.
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1) trevor opened a savings account and deposited $100.00 as principal. …
$\boldsymbol{\$61.61}$
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question 7 10 pts which statement is false about most atm (automated te…
Question 7: You can always get cash anywhere in the world with no fee. Question 8: Federal Reserve System
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5 résous les problèmes. a) la bouteille de plongée demmanuel pèse 6 kg.…
a) 10200 g b) 1320 kg c) 5,378 kg d) 5644 kg
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if a data value in a normal distribution has a negative z-score, which …
The data value must be less than the mean.
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which event is least likely to occur? answer attempt 1 out of 3 rolling…
Reaching into a bag full of 4 strawberry chews and 16 cherry chews without looking and pulling out a strawberry chew.
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for a standard normal distribution, if $p(z\\leq a)=0.7116$, what is th…
B. 0.2884
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which event is least likely to occur? answer attempt 1 out of 3 rolling…
Reaching into a bag full of 7 strawberry chews and 73 cherry chews without looking and pulling out a strawberry chew.
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z probability 0.00 0.5000 1.00 0.8413 2.00 0.9772 3.00 0.9987 0.16 0.68…
0.82
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question which event is least likely to occur? answer attempt 1 out of …
Reaching into a bag full of 8 strawberry chews and 72 cherry chews without looking and pulling out a strawberry chew.
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z | probability 0.00 | 0.5000 1.00 | 0.8413 2.00 | 0.9772 3.00 | 0.9987…
0.14
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which event is most likely to occur? answer attempt 1 out of 3 rolling …
Reaching into a bag full of 17 strawberry chews and 3 cherry chews without looking and pulling out a strawberry chew.
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question which event is least likely to occur? answer rolling an even n…
Winning a raffle that sold a total of 100 tickets, if you buy 14 tickets.
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problem 3noah will select a letter at random from the word \flute\. lin…
Noah is more likely to pick the letter "E".
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problem 2 which event is more likely: rolling a standard number cube an…
The two events are equally likely; each has a probability of $\frac{1}{2}$.
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a manager wants to gauge employee satisfaction at a company. she hands …
B. The survey results are at risk for nonresponse bias and undercoverage.
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total distance (whole numbers) 1.1 score: 2/5 penalty: none question ma…
565 miles
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a biking track has a length of 3696 feet (ft). how long is this in mile…
Blank (ratio): $\boldsymbol{\frac{1\ \text{mi}}{5280\ \text{ft}}}$ Final length: $\boldsymbol{0.7}$ mi
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total distance (whole numbers) l1 score: 1/5 penalty: none question bao…
610 miles
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a building is 60 feet (ft) tall. how many inches (in) is this? first fi…
The blank on the left is $\frac{12\ \text{in}}{1\ \text{ft}}$, and the final answer is 720 in.
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score:0/5 penalty: none question dianelys and her family are visiting f…
670 miles
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distance-speed-time l1 score: 9/10 penalty: none question owen and his …
8 hours
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about what percentage of the data lies within 2 standard deviations of …
C. 95%
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a jogging track has a length of 1496 yards (yd). how long is this in mi…
0.85 mi
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pre-test complete time remaining 53:00 for a standard normal distributi…
C. 66%
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distance-speed-time l1 score: 8/10 penalty: none question a certain spe…
2 inches per minute
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distance-speed-time l1 score: 7/10 penalty: none question mavs grandfat…
4 kilometers per hour (km/h)
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distance-speed-time l1 score: 6/10 penalty: none question a certain typ…
700 feet
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estimate: ____ yardsticks, or ____ yards problem solving solve. write o…
The garden is about 8 yards long. ---
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distance-speed-time l1 score:4/10 penalty: none question isaac boards a…
6 hours
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distance-speed-time l1 score: 3/10 penalty:none question jordan boards …
650 miles per hour
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our house is small. our house needs a new roof. ○ our house has a new, …
Our small house needs a new roof. --- ### Second Part (Vocabulary Matching)
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applications with standard normal distribution pre-test complete time r…
The probability is equal to $p\%$.
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Question was provided via image upload.
7. $\frac{3}{10}$ mile 8. $\frac{1}{12}$ hour 9. $\frac{2}{5}$ foot 10. $\frac{7}{20}$ kilometer
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solve the problem. show your work. 7. raymundo walks $\frac{9}{10}$ mil…
7. $\boldsymbol{\frac{3}{10}}$ mile 8. $\boldsymbol{\frac{1}{12}}$ hour 9. $\boldsymbol{\frac{2}{5}}$ foot 10. $\boldsymbol{\frac{7}{20}}$ kilometer
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the four scatter plots below show the same data set. choose the scatter…
The bottom-left scatter plot (the third plot, with the highlighted point near the x-axis at x=90, y=0)
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a movie club surveyed 250 high school students. the students were asked…
(a) 58% (b) 26%
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the four scatter plots below show the same data set. choose the scatter…
The bottom-left scatter plot (the third plot, with the light blue points and dark blue outlier at low y, high x)
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a group of 200 middle school students were asked whether they prefer pl…
(a) 52% (b) 59%
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4) the four scatter plots below show the same data set. choose the scat…
The top-left scatter plot (the first plot in the top row) with the highlighted point at low x and low y values.
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4) the four scatter plots below show the same data set. choose the scat…
The top-right scatter plot (with the dark point at low x, high y, separated from the main data cluster)
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the four scatter plots below show the same data set. choose the scatter…
The bottom-right scatter plot (the fourth one, with the highlighted point at the lower right, far from the main data cluster)
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20082y0 2 math grade 6 5-4: mathxl for school: practice & problem solvi…
Completed ratio table: | Diameter, d | 42 mm | 63 mm | 301 mm | |-------------|-------|-------|--------| | Circumference, C | 132 mm | 198 mm | 943 mm |
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the four scatter plots below show the same data set. choose the scatter…
The bottom-right scatter plot (with the highlighted point at the bottom left of the plot area)
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the four scatter plots below show the same data set. choose the scatter…
The bottom-left scatter plot (with the highlighted point at low x, low y, far from the main data cluster)
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the four scatter plots below show the same data set. choose the scatter…
The bottom-right scatter plot (the one with the highlighted point at high x, low y)
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rt 1 of 2 e measurements of a circular object are given in the ratio ta…
Missing diameter: 63 mm Missing circumference: 943 mm
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select the correct answer. which of the following statements is false r…
A. Randomization can be replaced by accurately matching the sample to the population.
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5-4: mathxl for school practice & problem solving shandon can read 6 pa…
Make a table of **reading rates** to find how long it takes each to read **240** pages. Then, find the **difference** it would take Betty **5** hours longer to read the book.
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5-4: mathxl for school: practice & problem solving the graph shows the …
$(4, 2)$
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the time t, in hours, required to paint a house is inversely proportion…
12 hours
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the four scatter plots below show the same data set. choose the scatter…
The bottom-right scatter plot (the fourth one) with the point at high x, low y highlighted as the outlier.
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the four scatter plots below show the same data set. choose the scatter…
Top-right scatter plot (the one with the dark blue point at the high y-value, separated from the other clustered points)
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jamie can cut the lawn in 45 minutes. her sister jessica can cut the la…
B. Yes, the time will be about 20 minutes.
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5-4: mathxl for school: practice & problem solving due feb 6 - 3:00 pm …
$(4, 1)$
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the four scatter plots below show the same data set. choose the scatter…
The bottom-right scatter plot (with the highlighted point near the origin (0,0))
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the four scatter plots below show the same data set. choose the scatter…
Top-right scatter plot (the one with the red dot at high x, low y, separated from the main cluster)
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the four scatter plots below show the same data set. choose the scatter…
The top-left scatter plot (the first plot in the upper row, with the red point at high x, low y, separated from the main data cluster)
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does this scatter plot show a positive trend, a negative trend, or no t…
no trend
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1) does this scatter plot show a positive trend, a negative trend, or n…
negative trend
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does this scatter plot show a positive trend, a negative trend, or no t…
no trend
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does this scatter plot show a positive trend, a negative trend, or no t…
no trend
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does this scatter plot show a positive trend, a negative trend, or no t…
no trend
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5-4: mathxl for school practice & problem solving due feb 6, 3:00 pm an…
7. D. I can make ratio tables for Cars A, B, and C to find equivalent ratios and then compare Cars A, B, and C. 8. Car C travels the farthest on 1 gallon of gas. This answer makes…
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1) does this scatter plot show a positive trend, a negative trend, or n…
positive trend
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1) does this scatter plot show a positive trend, a negative trend, or n…
positive trend
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24. consider the linear function $f(x)=7x+25$ and the exponential funct…
(a) 21 (b) For the linear function $f(x)=7x+25$, its slope is 7, which is a positive value, so the function increases as $x$ increases. For the exponential function $g(x)=4(1.35)^…
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the reasons behind a characters actions and behavior are known as _____…
1. motivation 2. stage business 3. dialogue 4. subtext 5. directions
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20082y02 math grade 6 5-4: mathxl for school: practice & problem solvin…
D. I can make ratio tables for Cars B and C to find equivalent ratios and then compare Cars A, B, and C.
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pre-test complete time remaining 48:11 the average miles per gallon of …
68%
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part ii answer all 8 questions in this part. each correct ans receive 2…
### Dot Plot: ``` Student Test Scores 80 82 84 86 88 90 92 94 96 98 100 ●● ●●●● ● ●●●● ●●● ● ●●● ``` ### Median Test Score: 90
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read the problem. a package of paper straws comes with 200 straws, and …
Correct model: The bottom (pink) bar model Number of polka dot straws: 50 straws
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5-4: mathxl for school: practice & problem solving part 2 of 4 an autom…
5. The completed table for Car A: |Miles Driven|80|160|240|320|400|800| |----|----|----|----|----|----|----| |Gallons of Gas|4|8|12|16|20|40| 6. You know that Car A gets $\boldsym…
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the amount of daily time that teenagers spend on a brand a cell phone i…
16% (Option C)
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read the problem. the spotlight musical sold a total of 600 tickets, an…
Correct model: The top (green) bar model Percent of Saturday tickets: 40%
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part 1 of 4 an automobile magazine reports the number of miles driven f…
Filled ratio table (Miles Driven row, left to right): 80, 320, 800 Filled ratio table (Gallons of Gas row, left to right): 12, 20 Completed table: | Miles Driven | 80 | 160 | 240 …
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pre-test complete time remaning 50:35 the annual salaries of all employ…
5
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wants to start a lawn care business. he offers his clients two differen…
B. after working 5 hours
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20062y02 math grade 6 5-4: mathxl for school: practice & problem solvin…
50
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the set of life spans of an appliance is normally distributed with a me…
2
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火 fire 日 sun 木 tree 水 water based on the table, match the chinese chara…
- 林 → forest - 明 → bright
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making camp snacks a camp counselor has a large bag that contains 34 cu…
The correct equation is not fully shown in the options, but the amount of coconut in each granola bar is $\frac{1}{6}$ cup. *(Note: The provided multiple-choice options appear to …
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20082y02 math grade 6 5-4: mathxl for school: practice & problem solvin…
a. Completed table: | Running (min) | Walking (min) | |---------------|---------------| | 4 | 20 | | 8 | 40 | | 12 | 60 | b. 50 minutes
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math grade 8 xl for school: practice & problem solving are the ratios 4…
The ratios are **equivalent** and they are **different in their original total values**. The ratio 42 cycles:1 min is **a unit rate (simplest form)**. The ratio 378 cycles:9 min i…
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20062y0 2 math grade 6 5-5: mathxl for school: practice & problem solvi…
80
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the heights of a certain type of tree are approximately normally distri…
D. A tree with a height of 6.2 ft is 3 standard deviations above the mean.
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5-5: mathxl for school: practice & problem solving due feb 6 - 3:00 pm …
Jenny read 5 books in 7 weeks and 10 books in 14 weeks. The correct diagram should have 5 aligned with 7 weeks and 10 aligned with 14 weeks (matching the proportional rate of $\fr…
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20062y0 2 math grade 6 5-5: mathxl for school: practice & problem solvi…
| Grams | 13.3 | 53.2 | 79.8 | 133 | |-------|------|------|------|-----| | Packages | 1 | 4 | 6 | 10 |
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complete the table. seeds 232 bags 4 1 9 12 seeds 232 bags 4 1 9 12 (ty…
The completed Seeds row values are 58, 522, 696 (corresponding to 1, 9, 12 bags respectively)
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20062y0 2 math grade 6 5-5: mathxl for school: practice & problem solvi…
The missing values (from left to right) are $0.5$, $3$, and $6.5$
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question which of the contexts below could be modeled by an exponential…
A population of 200 bacteria triples every minute.
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find the value of x. miles 0 x 129 hours 0 6 12 18 x=□ help me solve th…
43
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the neolithic period lasted from about 10,000 bce to 2,000 bce. before …
- This person builds fenced enclosures to protect crops and animals, provides fresh water and food to domesticated animals, and lives year-round in one place.: farmer - This perso…
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table to exponential function question find the equation of the exponen…
$y = 0.2(0.4)^x$
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no reflect on the meaning of life. athens became a great center for kno…
a center of learning and art