Recent questions tagged parameter

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What are the two main types of descriptive statistics?

asked Mar 21 in Data Science & Statistics by ♦Acalytica Platinum (97.7k points) | 159 views

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What are the main data types in statistics?

asked Feb 6 in Mathematics by ♦AstraNova Diamond (55.3k points) | 179 views

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What is the difference between parameter and statistic in statistics?

asked Feb 6 in Data Science & Statistics by ♦AstraNova Diamond (55.3k points) | 191 views

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How does L1 regularization differ from L2 regularization and when is each one typically used?

asked Jan 10 in Data Science & Statistics by ♦Acalytica Platinum (97.7k points) | 157 views

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What is K-nearest neighbour?

asked Aug 20, 2022 in Data Science & Statistics by ♦AstraNova Diamond (55.3k points) | 290 views

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What is a statistical sample?

asked Aug 12, 2022 in Data Science & Statistics by ♦Maths Genie Bronze Status (8.8k points) | 261 views

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What is a statistical population?

asked Aug 12, 2022 in Data Science & Statistics by ♦Acalytica Platinum (97.7k points) | 213 views

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Let $\gamma$ be a continuously differentiable closed curve in the complex plane with parameter interval $[a, b]$, and assume that $\gamma(t) \neq 0$ for every $t \in[a, b]$. Define the index of $\gamma$ to be

asked Jul 5, 2022 in Mathematics by ♦AstraNova Diamond (55.3k points) | 175 views

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The geodesic flow on a sphere $S^{n}$ \[ \langle\mathbf{x}, \mathbf{x}\rangle \equiv \mathbf{x}^{T} \mathbf{x}=\|\mathbf{x}\|^{2}=1 \]

asked Jul 2, 2022 in Mathematics by ♦AstraNova Diamond (55.3k points) | 138 views

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Consider the first Painlevé transcendent \[ \frac{d^{2} u}{d x^{2}}=6 u^{2}+\lambda x \]

asked Jul 1, 2022 in Mathematics by ♦AstraNova Diamond (55.3k points) | 101 views

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Discuss the behaviour of the differential equation \[ \frac{d u}{d t}=\mu-u^{2}, \quad u(0)=0 \] as a function of the bifurcation parameter $\mu$, where $\mu>0, \mu=0$ and $\mu<0$.

asked Jul 1, 2022 in Mathematics by ♦AstraNova Diamond (55.3k points) | 154 views

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Discuss the behaviour of the differential equation \[ \frac{d u}{d t}=r u+u^{3} \] as a function of the bifurcation parameter $r$.

asked Jul 1, 2022 in Mathematics by ♦AstraNova Diamond (55.3k points) | 126 views

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Does the sample mean provide a good summary of these trials? If not, write a sentence or two to summarize more accurately.

asked Jun 17, 2022 in Data Science & Statistics by ♦AstraNova Diamond (55.3k points) | 208 views

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Identify the statistical population, sample, and variable of interest in each of the following situations:

asked Jun 17, 2022 in Data Science & Statistics by ♦AstraNova Diamond (55.3k points) | 398 views

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What are the main types of parameter estimation in statistics?

asked Mar 6, 2022 in Data Science & Statistics by ♦Acalytica Platinum (97.7k points) | 345 views

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Determine whether the number is a parameter or a statistic. Explain your reasoning. In 2016 the median annual salary of a marketing account executive was $\$ 68,232 .$

asked Feb 15, 2022 in General Knowledge by ♦AstraNova Diamond (55.3k points) | 231 views

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Your home store has an arrangement with a manufacturer of patio furniture. The store receives a 4 -percent advertising credit on total yearly sales. What is your advertising credit on sales totaling $\$ 68,000 ?$

asked Feb 15, 2022 in General Knowledge by ♦AstraNova Diamond (55.3k points) | 277 views

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Consider the perimetrically defined curve $x(t)=t-\sin 2 t, y=4-3 \cos t$, $0 \leq t \leq 10$. Find the values for the parameter $t$ where the tangent line of the curve is vertical.

asked Feb 4, 2022 in Mathematics by ♦AstraNova Diamond (55.3k points) | 373 views

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Let $A(t)$ be a family of real square matrices depending smoothly on the parameter $t$.

asked Jan 21, 2022 in Mathematics by ♦Acalytica Platinum (97.7k points) | 277 views

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What is the general procedure for doing Bayesian inference? Suppose you are interested in some parameter $\theta$.

asked Dec 16, 2021 in Data Science & Statistics by ♦AstraNova Diamond (55.3k points) | 346 views

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A grocery store is interested in how much money, on average, their customers spend each visit in the produce department.

asked Oct 13, 2021 in General Knowledge by ♦Acalytica Platinum (97.7k points) | 10.7k views

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List four issues or events that should be considered when setting parameter values for use in a cashflow model of a life office.

asked Oct 6, 2021 in Data Science & Statistics by ♦Acalytica Platinum (97.7k points) | 349 views

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What is a statistic?

asked Jun 17, 2021 in Data Science & Statistics by ♦Maths Genie Bronze Status (8.8k points) | 289 views

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Determine what the population, sample, parameter, statistic, variable, and data referred to in the following study.

asked May 6, 2021 in Data Science & Statistics by ♦Acalytica Platinum (97.7k points) | 3.0k views

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Study the sample diagram. Note that

asked Apr 21, 2021 in Mathematics by ♦Acalytica Platinum (97.7k points) | 474 views

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Identify the population, sample, parameter, statistic, variable, and data for the following study

asked Mar 27, 2021 in Data Science & Statistics by ♦AstraNova Diamond (55.3k points) | 3.3k views

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What factors influence the value of the Cost Parameter in SVM?

asked Oct 16, 2020 in Data Science & Statistics by ♦Acalytica Platinum (97.7k points) | 328 views

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What is parameter tuning when using k-nearest-neighbour algorithm?

asked Oct 2, 2020 in Data Science & Statistics by ♦Acalytica Platinum (97.7k points) | 433 views

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What’s regularization?

asked Sep 5, 2020 in Data Science & Statistics by ♦Acalytica Platinum (97.7k points) | 307 views

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What is the difference between L1 and L2 regularization?

asked Jul 27, 2020 in Data Science & Statistics by ♦Acalytica Platinum (97.7k points) | 485 views

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A sample of a population is: a) An experiment in the population b) A subset of the population

asked Jun 23, 2020 in Data Science & Statistics by joshua-mwanza Gold Status (26.7k points) | 2.3k views

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Which of the following is most likely a population as opposed to a sample?

asked Jun 22, 2020 in Data Science & Statistics by joshua-mwanza Gold Status (26.7k points) | 3.5k views

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Decide whether the numerical value describes a population parameter or a sample statistic.

asked Jun 19, 2020 in Data Science & Statistics by joshua-mwanza Gold Status (26.7k points) | 973 views

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

asked Jun 19, 2020 in Data Science & Statistics by joshua-mwanza Gold Status (26.7k points) | 499 views

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A car with six spark plugs is known to have two malfunctioning ones. If two plugs are pulled out at random, what is the probability of getting at least one malfunctioning plug.

asked Jun 6, 2020 in Data Science & Statistics by ♦Acalytica Platinum (97.7k points) | 1.4k views

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What is a parameter estimate?

asked May 26, 2020 in Data Science & Statistics by ♦Acalytica Platinum (97.7k points) | 388 views

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Which one is the data, sample, variable, statistic, parameter and population in the question below?

asked May 15, 2020 in Data Science & Statistics by ♦Acalytica Platinum (97.7k points) | 8.4k views

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What is the difference between Statistic, Parameter and Variable?

asked May 15, 2020 in Data Science & Statistics by ♦Acalytica Platinum (97.7k points) | 848 views

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What parameter is used to measure antioxidant levels?

asked Nov 11, 2019 in General Knowledge by anonymous | 253 views

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Why L1 regularizations causes parameter sparsity whereas L2 regularization does not?

asked Mar 11, 2019 in Data Science & Statistics by Edzai Zvobwo Bronze Status (5.6k points) | 545 views

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A numerical value used as a summary measure for a sample, such as sample mean, is known as a:

asked Mar 6, 2019 in Data Science & Statistics by ♦Acalytica Platinum (97.7k points) | 33.1k views

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