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Recent questions tagged dependent


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Information transfer is too dependent on electricity, how can we free information from electricity?
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A number plus eight equals thirteen
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A number plus eight equals thirteenA number plus eight equals thirteen ...
by MathsGee Platinum
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asked in Mathematics Feb 17
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A number plus eight equals thirteen. What is the number?
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Let \(A: \mathbb{R}^{n} \rightarrow \mathbb{R}^{k}\) be a real matrix, not necessarily square.
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Let \(A: \mathbb{R}^{n} \rightarrow \mathbb{R}^{k}\) be a real matrix, not necessarily square.Let \(A: \mathbb{R}^{n} \rightarrow \mathbb{R}^{k}\) be a real matrix, not necessarily square. a) If two columns of \(A\) are the same, show that \(A ...
by MathsGee Platinum
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asked in Mathematics Jan 20
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Let \(A: \mathbb{R}^{n} \rightarrow \mathbb{R}^{k}\) be a real matrix, not necessarily square.
0 answers 137 views
Let \(A: \mathbb{R}^{n} \rightarrow \mathbb{R}^{k}\) be a real matrix, not necessarily square.Let \(A: \mathbb{R}^{n} \rightarrow \mathbb{R}^{k}\) be a real matrix, not necessarily square. a) If two rows of \(A\) are the same, show that \(A\) ...
by MathsGee Platinum
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asked in Mathematics Jan 20
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What is the difference between confounding variables, independent variables and dependent variables?

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What is a correlation coefficient?
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What does a correlation coefficient of zero mean?
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What are independent / dependent variables?
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What does the correlation coefficient tell you about the line of best fit?
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What does the correlation coefficient tell you about the line of best fit?\begin{array}{|c|c|} \hline \text { Year } & \text { Ratio } \\ \hline 1992 & 19.4 \\ \hline 1996 & 19.7 \\ \hline 2000 & 18.9 \\ \hli ...
by Siyavula Bronze Status
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asked in Mathematics Sep 5, 2021
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How do I know if a linear model is good?
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How do I know if a linear model is good?How do I know if a linear model is good? ...
by Siyavula Bronze Status
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asked in Mathematics Sep 5, 2021
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What is a line of best fit?
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What is a line of best fit?What is a line of best fit? ...
by Siyavula Bronze Status
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asked in Mathematics Sep 5, 2021
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Suppose that the demand and price for a certain DVD is related by the following equation
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Suppose that the demand and price for a certain DVD is related by the following equationSuppose that the demand and price for a certain DVD is related by the following equation \ p=D(q)=-1.5 q+60 \ where \(p\) is the price (in dollars) ...
by Siyavula Bronze Status
(7,450 points)
asked in Mathematics Sep 5, 2021
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The price per unit \(P\) (in dollars) is related to the quantity \(Q\) (in boxes) of a product demanded by consumers according to
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Suppose the demand \(Q\) and the price \(P\) are related by the demand equation
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Suppose the demand \(Q\) and the price \(P\) are related by the demand equationSuppose the demand \(Q\) and the price \(P\) are related by the demand equation \ 5 P+20 Q=100 \ a. Write the equation so that \(Q\) is the indepen ...
by Siyavula Bronze Status
(7,450 points)
asked in Mathematics Sep 5, 2021
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What are independent and dependent variables in equations and functions?
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Which of the following criteria is the most optimal for assessing the goodness of the fit of a multiple linear regression model?
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Which of the following measures is optimal for comparing the goodness of the fit of competing regression models involving the same dependent variable?

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Suppose we know the voltage is 12 V, and the resistance is 3 Ω. What is the current?
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Parametrized Surface ($\underline{r}(u, v)$) and Curve and regular parametrization
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Why should adjacent nodes in a DAG be dependent?
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Why should adjacent nodes in a DAG be dependent?Why should adjacent nodes in a DAG be dependent? ...
by MathsGee Platinum
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asked in Data Science & Statistics Nov 11, 2020
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Consequently, two events are dependent if the outcome of the first event affects the outcome of the second event.
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Consequently, two events are dependent if the outcome of the first event affects the outcome of the second event.Consequently, two events are dependent if the outcome of the first event affects the outcome of the second event. Is this rule about probability corr ...
by Joshua Mwanza Diamond
(51,622 points)
asked in Mathematics Aug 24, 2020
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Suppose we have a sample space S={a;b; c; d;e; f; g; h; i; j } and we have events: A= {a;b; i; d;e} ; B= {c;a;g;e;d} and C ={c;h; i; e;f}

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A coin is tossed 3 times. Find the probability that the outcome is : (a) all heads (b) 2 heads and 1 tail
1 answer 5.9K views
A coin is tossed 3 times. Find the probability that the outcome is : (a) all heads (b) 2 heads and 1 tailA coin is tossed 3 times. Find the probability that the outcome is : (a) all heads            & ...
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In a deck of 52 cards, what is the probability of drawing an 'ace of spades' from that deck of 52 cards?

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What is the difference between statistic and parameter? These words really crack my head!

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Is drawing a heart from a regular pack of 52 cards on the first draw and drawing a heart from the same pack on a second draw without replacing the first card

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What is an independent variable in an experiment? Explain with an example.
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What is a dependent variable in an experiment? Explain with an example.
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What is a parameter estimate?
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What is a dependent variable?
1 answer 131 views
What is a dependent variable?What is a dependent variable? May you explain with an example l can easily understand from. ...
by Joshua Mwanza Diamond
(51,622 points)
asked in Physics & Chemistry May 17, 2020
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What is the difference between a variable and a constant?
1 answer 224 views
What is the difference between a variable and a constant?What is the difference between a variable and a constant? ...
by MathsGee Platinum
(118,646 points)
asked in Data Science & Statistics May 15, 2020
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Which one is the data, sample, variable, statistic, parameter and population in the question below?
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Which one is the data, sample, variable, statistic, parameter and population in the question below?Which one is the data, sample, variable, statistic, parameter and population in the question below? We want to know the average amount of money first ...
by MathsGee Platinum
(118,646 points)
asked in Data Science & Statistics May 15, 2020
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What is the difference between Statistic, Parameter and Variable?
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How do I measure the relationship between company performance (dependent variable) and independent variables like size, age, ...etc?

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What is the difference between an independent and dependent variable?
1 answer 228 views
What is the difference between an independent and dependent variable?What is the difference between an independent and dependent variable? ...
by MathsGee Platinum
(118,646 points)
asked in Mathematics Apr 28, 2020
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