Shreya was doing an experiment to find out the relationship between voltage V and current I- The values obtained by Shreya are tabulated below- beginarray - Whine Voltage V - Current - I 1 Whline 2 - 3-5 INhline3 - 5-5 llvhine4 - 8 IIVhline5 - 9-5 INhline6 - 12 Whline 7 - 14-5 lllhline8 - 16 Whline array What type of correlation is this-A- Weak positive correlationB- Strong negative correlationC- Strong positive correlationD- Weak negative correlation

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Types of Correlation and Scatter Chart

Shreya was do...

Question

Shreya was doing an experiment to find out the relationship between voltage (V) and current (I). The values obtained by Shreya are tabulated below.

$\begin{matrix} V o l t a g e (V) & C u r r e n t (I) 2 & 3.5 3 & 5.5 4 & 8 5 & 9.5 6 & 12 7 & 14.5 8 & 16 \end{matrix}$

What type of correlation is this?

Weak positive correlation

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Strong positive correlation

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Weak negative correlation

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Strong negative correlation

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Solution

The correct option is B
Strong positive correlation

Plot the voltage and current on a scatter chart. We get the following scatter chart.

This shows a strong positive correlation

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Similar questions

Shreya was doing an experiment to find out the relationship between voltage (X) and current (Y). The values obtained by Shreya are tabulated below.

$\begin{matrix} V o l t a g e (X) & C u r r e n t (Y) 2 & 3.5 3 & 5.5 4 & 8 5 & 9.5 6 & 12 7 & 14.5 8 & 16 \end{matrix}$

Find the line of best fit for this data.

The price per/kg of chicken and the quantity of chicken purchased per month in a household is tabulated below. Determine the type of correlation.

$\begin{matrix} P r i c e / k g (R s) & Q u a n t i t y (k g) 40 & 6 50 & 5.5 60 & 3.5 70 & 3 30 & 7.5 80 & 2 \end{matrix}$

Calculate the correlation coefficient for the following data.

$\begin{matrix} X & Y 2 & 4 3 & 6 4 & 9 5 & 10 6 & 11 7 & 13 8 & 17 \end{matrix}$

From the graph between current (I) and voltage (V) shown below, identify the portion corresponding to negative resistance

Q. From the graph between current i & voltage V shown, identify the portion corresponding to negative resistance

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Shreya was doing an experiment to find out the relationship between voltage (V) and current (I). The values obtained by Shreya are tabulated below. Voltage (V)Current (I)23.535.54859.5612714.5816 What type of correlation is this?

The correct option is B Strong positive correlation Plot the voltage and current on a scatter chart. We get the following scatter chart. This shows a strong positive correlation

The correct option is B
Strong positive correlation

Plot the voltage and current on a scatter chart. We get the following scatter chart.

This shows a strong positive correlation