統計與機率
資料分析、機率分佈、假設檢定與統計方法。
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question 14 (multiple choice worth 2 points) (rates mc) pedro scored 98…
$\frac{98}{5}$ points per game (the option with $\frac{98}{5}$ points per game) ### Question 15
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the following is a list of shoe sizes for a group of 12 people. 4.5, 7,…
The first box plot (the one with the x - axis labeled from 3 to 12 and the box plot with the left whisker starting near 4.5, box with Q1 around 6 - 7, median at 7.5, Q3 around 9 -…
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body and exam measurements were collected from 300 subjects. the pulse …
60.0 beats per minute is neither significantly low nor significantly high. The significantly high values are 94.6 beats per minute or higher.
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body and exam measurements were collected from 300 subjects. the pulse …
46.2
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the brain volumes (cm³) of 20 brains have a mean of 1186.6 cm³ and a st…
B. Yes, because it is above the upper limit separating value.
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the brain volumes (cm³) of 20 brains have a mean of 1186.6 cm³ and a st…
1428.0
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8. use tools eight chickens on a farm are weighed. their weights are 5.…
Mean: \(6.0375\) pounds, Mean Absolute Deviation: \(0.321875\) pounds ### Question 9
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the brain volumes (cm³) of 20 brains have a mean of 1186.6 cm³ and a st…
945.2
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question 8 (multiple choice worth 2 points) (box plots mc) the box plot…
The range is 38, and the IQR is 21. (The option corresponding to this statement)
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how did income distribution in the us change in the early 2000s? ○ the …
C. The gap between rich people and poor people increased.
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in designing a work desk, it is found that males have sitting knee heig…
s: a. \(\boldsymbol{\text{C. Heights that are less than 19.9 in.}}\) b. \(\boldsymbol{\text{A. Heights that are greater than 25.9 in.}}\) c. Heights that are greater than 19.9 in.…
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statistical measurements mc the list represents a students grades on te…
The mean is 72.9 and shows that the student has an average grade and understanding of the subject but struggles at times. ### Question 2 (Range Calculation)
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in designing a work desk, it is found that males have sitting knee heig…
To solve this problem, we use the range rule of thumb, which states that significant values are typically outside the range of \(\text{mean} - 2 \times \text{standard deviation}\)…
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in designing a work desk, it is found that males have sitting knee heig…
C. Heights that are less than 19.9 in.
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the spinner below is spun once. spinner with numbers 1–16 column 1: t: …
\(\frac{1}{2}\)
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sandeep wants to determine how much bottled water he should stock in hi…
188
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vocabulary choose the correct term from the vocabulary box. 2. a ____ i…
box plot ### Question 3
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use the range rule of thumb to identify the values that are significant…
s: - Significantly low: B. Test scores that are less than $12.5$ - Neither significantly low nor high: C. Test scores that are between $12.5$ and $32.9$ (assuming option C is stru…
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(from lesson 2.12) xenia converted 3/4 to a decimal and got 1.3. she th…
Xenia likely divided the numerator and denominator in the wrong order (did \(4\div3\) instead of \(3\div4\)). The correct decimal for \(\frac{3}{4}\) is \(0.75\).
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the table shows the number of books davie has read. find the ratio of g…
\(\frac{5}{12}\)
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find the equation for the least squares regression line of the data des…
The equation of the least - squares regression line is \(y = 3.190x+75.448\) (rounded to the nearest thousandth)
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a survey wanted to determine if there was a relationship between the nu…
To create the scatter plot: 1. **Define Axes**: Let the x - axis represent temperature (in °F) and the y - axis represent the number of joggers. 2. **Plot Points**: For each row i…
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the race speeds (in minutes) for the top eight cars in a 200-mile race …
D. 3.4 minutes
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listed below in order are prices in dollars for a big mac hamburger in …
A. The range alone tells us that there are very substantial differences among prices of Big Mac hamburgers in different countries.
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listed below in order are prices in dollars for a big mac hamburger in …
\( 1.50 \)
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listed below in order are prices in dollars for a big mac hamburger in …
The variance is \(\boxed{2.26}\) dollars\(^2\)
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find the equation for the least squares regression line of the data des…
\( y=-0.053x + 17.101 \)
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listed below are the amounts (dollars) it costs for marriage proposal p…
- Range: 2712 dollars - Standard Deviation: 770.0 dollars - Variance: 592751.9 dollars²
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in the following statement, express the first number as a percentage of…
80.8
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multiple choice question which prefix means cartilage? o phag- o os- o …
O chondr-
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listed below are the amounts (dollars) it costs for marriage proposal p…
The standard deviation of the sample data is approximately $\boldsymbol{770.0}$ dollars.
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listed below are the amounts (dollars) it costs for marriage proposal p…
The range of the sample data is \(\boldsymbol{2712}\) dollars.
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3. shaquita flipped a fair coin 50 times. the table below shows her res…
50% (Option: 50%) ### Question 4
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listed below are the amounts (dollars) it costs for marriage proposal p…
2712
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listed below are prices in dollars for one night at different hotels in…
\( 3696.6 \) dollars²
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select the text from the paragraph that best helps you understand that …
in the years since, Americans have continued to work towards his dream
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extrapolate! we recommend using the desmos graphing calculator. answers…
Approximately 33 (within 5% tolerance, values between 31.3 and 34.7 are acceptable)
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here are 6 celebrities with some of the highest net worths (in millions…
C. Because the data are from celebrities with the highest net worths, the measures of variation are not at all typical for all celebrities. ### Second Question (Based on the natur…
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select the text from the paragraph that best helps you understand that …
In fact, many consider him to be one of the greatest leaders of the twentieth century.
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extrapolate! we recommend using the desmos graphing calculator. answers…
\( 136 \) (with 5% tolerance, the range is \( 136\times(1 - 0.05)=129.2 \) to \( 136\times(1 + 0.05)=142.8 \), and our calculation is within this range)
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here are 6 celebrities with some of the highest net worths (in millions…
C. Because the data are from celebrities with the highest net worths, the measures of variation are not at all typical for all celebrities.
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here are 6 celebrities with some of the highest net worths (in millions…
28
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instructions: read the six scenarios that follow and identify the commu…
A. aggressive ### 2.
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9–20: should you believe this study? based solely on the information gi…
Yes, we have reason to question. The sample is from only ten specific restaurants, not representative of all fast - food workers in the large city, so the results may be biased. #…
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here are 6 celebrities with some of the highest net worths (in millions…
28
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here are 6 celebrities with some of the highest net worths (in millions…
764414
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here are 6 celebrities with some of the highest net worths (in millions…
2250
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below are the jersey numbers of 11 players randomly selected from a foo…
\( 572.4 \)
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below are the jersey numbers of 11 players randomly selected from a foo…
\( 23.9 \)
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below are the jersey numbers of 11 players randomly selected from a foo…
68.0
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word | prefix | root | definition disconnect | dis | connect | to separ…
To solve for the missing parts (prefix, root, definition) of each word, we analyze word structure (prefix + root = word, and use prefix/root meanings for definition): ### embed - …
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the owner of a manufacturing plant employs eighty people. as part of th…
C. \(107.0\space\text{mi}^2\)
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instructions read the question carefully and select the best answer. wh…
C. Irreproachable
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the speed of an average garden snail is estimated to be 6.045 × 10^-7 m…
\( 0.0000006045 \)
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find the variance for the given sample data. round your answer to one m…
C. 7.8
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find the standard deviation for the given sample data. round your answe…
D. 8.35
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judicial branch the judicial branch explains what laws mean, uses laws …
To answer the questions about the Judicial Branch (from the provided slides): ### WHO: Who makes up this branch? From the left slide, the judicial branch is made up of the Supreme…
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5. here is the recursive definition of a sequence: ( f_1 = 60 ), ( f_n …
This sequence is arithmetic. Because the recursive formula shows that each term is obtained by subtracting a constant (\(8.5\)) from the previous term, meaning there is a common d…
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find the standard deviation for the given sample data. round your answe…
A. 5.4
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multiple choice question what is the meaning of the prefix epi-? o side…
B. upon (assuming the options are labeled as A. side, B. upon, C. center, D. below)
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which of the following is not a property of the standard deviation? cho…
B. When comparing variation in samples with very different means, it is good practice to compare the two sample standard deviations.
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question 11 (1 point) saved listen according to our text, collectivizat…
D. the seizure of private property by the state and its conversion into state owned property.
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multiple choice question that prefix that means layer is ______. o squa…
O strat-
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identify the symbols used for each of the following: (a) sample standar…
a. The symbol for sample standard deviation is \( s \). b. The symbol for population standard deviation is \( \sigma \). c. The symbol for sample variance is \( s^{2} \). d. The s…
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the depths (in inches) at which 10 artifacts are found are listed. comp…
34.4
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the depths (in inches) at which 10 artifacts are found are listed. comp…
24.3
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the prices (in dollars) of 12 electric smooth top ranges are listed bel…
C. $910$
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which statement from \aint i a woman?\ is an example of pathos? - well,…
I have borne thirteen children, and seen most all sold off to slavery, and when I cried out with my mother’s grief, none but Jesus heard me!
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what is the correct meaning of the prefix pseud-? ○ layer ○ many ○ fals…
C. false
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which measure of variation is most sensitive to extreme values? choose …
Range (the option labeled "Range")
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explain how to find the range of a data set. what is an advantage of us…
D. The range is found by subtracting the minimum data entry from the maximum data entry. ### Part 2: Advantage of using range as a measure of variation
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5. correlation can only be used when the form of the scatterplot is ___…
linear
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what is the greatest value represented in the stem-leaf-plot? stem | le…
57
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the following data represent the number of potholes on 35 randomly sele…
| Potholes | Relative Frequency | |----------|--------------------| | 1 | 0.286 | | 2 | 0.171 | | 3 | 0.143 | | 4 | 0.114 | | 5 | 0.057 | | 6 | 0.114 | | 7 | 0.114 |
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make picture graphs ron asked his classmates about their favorite kind …
4 ### Question 4:
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3. temperature throughout the day the temperature ( t(h) ) during a spr…
The parent function is the quadratic function \( y = x^2 \) (or \( f(x)=x^2 \)). ### Part (b)
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the average number of hours a user spent each month on a particular sit…
B. (The graph in option B which shows the correct trend of increasing from 2018 to 2020 and then decreasing in 2021 as per the given data)
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the following data represent the number of potholes on 35 randomly sele…
A.
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the data in the following table can be used to predict the number of dr…
For a 140-lb person: 3.5 (already given, but the calculation confirms). For a 240-lb person: 6. Wait, the question has two parts: "A 140-lb person can consume 3.5 drink(s) in orde…
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the data in the following table can be used to predict the number of dr…
3.5
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the data in the following table can be used to predict the number of dr…
D
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shipping the oocl shenzhen, one of the world’s largest container ships,…
The x - intercept is about \(\boldsymbol{134}\). This means that after about \(\boldsymbol{134}\) hours, there are \(\boldsymbol{0}\) TEUs on the ship. The y - intercept is \(\bol…
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malia threw some printed pages into the air and grabbed 2 as they fell.…
no
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larry put equal sized marbles into a bowl. then, he shook the bowl unti…
yes
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the name of seth means substitute. true false
A. True
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baldwin surveyed the 32 healthiest patients in the hospital. is this sa…
yes
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example: science test scores 75, 88, 90, 84, 100, 80, 96, 50, 62, 78, 8…
\( 50 \) ### Question 5: If a homework pass is given to anyone who scores 80 or above, how many students will receive the homework pass?
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the test scores from mrs. gray’s math class are shown below. 66, 71, 72…
### For Mrs. Gray's math class test scores: #### Step 1: Organize the data First, we need to have the complete and ordered data. Let's list out the scores clearly. From the given,…
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michael surveyed 12 politicians from his state about their views on cer…
no
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a study reported in the accounting review examined the separate and joi…
The p - value for Factor A is approximately \(\boxed{0.7240}\) (this is an approximate value based on the calculations above; more precise calculation may be needed with software …
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daren grows both squash and cucumbers in his garden. each week during t…
The true statements are: - The data for the squash plants has a higher interquartile range (IQR) than the data for the cucumber plants. - The median weekly output for the cucumber…
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mel and hailey are comparing the number of texts they each send per wee…
- The maximum number of texts for Mel is equal to the maximum number of texts for Hailey. - The range in the number of texts is larger for Mel than for Hailey. - The minimum numbe…
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alannah and chloe are comparing the number of texts they each send per …
- The range in the number of texts is larger for Chloe than for Alannah. - The maximum number of texts for Chloe is 10 larger than the maximum number of texts for Alannah.
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based on the scatter plot below, which is a better prediction for x whe…
9
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based on the scatter plot below, which is a better prediction for y whe…
53
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an amusement park studied methods for decreasing the waiting time (minu…
### ANOVA Table: | Source | SS | df | MS | F | p - value | |-----------------|----------|----|----------|--------|-----------| | Factor A | 21.33 | 1 | 21.33 | 8.53 | 0.0275 | | F…
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6. if deon memorized his lines in fewer than 8 days, how would he compa…
Deon would have memorized his lines in fewer days than most (or the typical) members of the cast (e.g., if the median is >8 or mode is >8, he is faster than at least half or the m…
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question 1: for each of the following scenarios, answer these questions…
The target population is the general population (all people) who have views on the recent piece of legislation. ### Part (ii) - Sample
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7a what is the meaning of this inequality? a -6 is less than or equal t…
C. \(-6\) is less than \(-4\)
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learning tenacity by watching tenacity educators and parents want to kn…
### Advice 1: Model Effortful Success for Your Child Parents should intentionally demonstrate putting in effort to achieve goals in front of their children. For instance, when wor…