# 2726 Time Series 5 Moving Mean & Median Smoothing

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| By Anthony Nunan
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Anthony Nunan
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Quizzes Created: 136 | Total Attempts: 44,092
Questions: 28 | Attempts: 272

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• 1.

### Using the above data set (TS7B2), what is the5-mean smoothed value for coded time 3? (1 decimal place)

Explanation
The 5-mean smoothed value for coded time 3 is 9.2. This means that the value at coded time 3 is the same as the original value without any smoothing or averaging applied.

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• 2.

### Using the above data set (TS7B2), what is the5-mean smoothed value for coded time 4? (1 decimal place)

Explanation
The 5-mean smoothed value for coded time 4 is 8.8. This means that the data at time 4 has been averaged with the surrounding values to obtain a smoothed value of 8.8.

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• 3.

### Using the above data set (TS7B2), what is the5-mean smoothed value for coded time 5? (1 decimal place)

Explanation
The 5-mean smoothed value for coded time 5 is 8.4.

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• 4.

### Using the above data set (TS7B2), what is the5-mean smoothed value for coded time 6? (1 decimal place)

Explanation
The 5-mean smoothed value for coded time 6 is 10.4.

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• 5.

### Using the above data set (TS7B2), what is the5-mean smoothed value for coded time 7?

Explanation
The 5-mean smoothed value for coded time 7 is 10.0. This means that the value for time 7 is the average of the values from time 5 to time 9, which is 10.0.

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• 6.

### Using the above data set (TS7B4), what is the 5-median smoothed value for coded time 3? (2 decimal places)

Explanation
The 5-median smoothed value for coded time 3 is 0.74.

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• 7.

### Using the above data set (TS7B4), what is the 5-median smoothed value for coded time 4? (2 decimal places)

Explanation
The 5-median smoothed value for coded time 4 is 0.74.

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• 8.

### Using the above data set (TS7B4), what is the 5-median smoothed value for coded time 5? (2 decimal places)

Explanation
The 5-median smoothed value for coded time 5 in the given data set is 0.72.

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• 9.

### Using the above data set (TS7B4), what is the 5-median smoothed value for coded time 6? (2 decimal places)

Explanation
The 5-median smoothed value is calculated by taking the median of the current value and the two values before and after it. Since the given answer is 0.72, it means that when calculating the 5-median smoothed value for coded time 6, the median of the values at coded times 4, 5, 6, 7, and 8 is 0.72.

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• 10.

• 11.

### Using the above data set (TS7B4), what is the 5-median smoothed value for coded time 8? (2 decimal places)

Explanation
The 5-median smoothed value for coded time 8 is 0.72.

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• 14.

### When calculating 5 mean smoothing for the above data set, which time codes will not have a matching smoothed value? (comma separated)

Explanation
The given data set contains duplicate time codes (1, 2, 14, and 15) which will not have a matching smoothed value when calculating 5 mean smoothing.

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• 15.

### When calculating 5 mean smoothing for the above data set, which time codes will not have a matching smoothed value? (comma separated)

Explanation
The given data set contains duplicate time codes (1, 2, 13, 14) which will result in duplicate smoothed values. Therefore, these time codes will not have a matching smoothed value.

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• 22.

### Using the above data set (TS7C1), what is the 5-median smoothed value for coded time 4? (2 decimal places)

Explanation
The 5-median smoothed value for coded time 4 is 2.00. This means that when we apply the 5-median smoothing technique to the data set, the value for coded time 4 becomes 2.00.

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• 23.

### Using the above data set (TS7C1), what is the 5-median smoothed value for coded time 3? (2 decimal places)

Explanation
The 5-median smoothed value for coded time 3 is 3.00. This means that when we apply the 5-median smoothing technique to the data set, the value for coded time 3 remains unchanged at 3.00.

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• 24.

### Using the above data set (TS7C1), what is the5-mean smoothed value for coded time 7? (1 decimal place)

Explanation
The 5-mean smoothed value for coded time 7 is 1.2.

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• 25.

### Using the above data set (TS7C1), what is the5-mean smoothed value for coded time 6? (1 decimal place)

Explanation
The 5-mean smoothed value for coded time 6 is 1.8.

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• 26.

### Using the above data set (TS7C1), what is the5-mean smoothed value for coded time 5? (1 decimal place)

Explanation
The 5-mean smoothed value for coded time 5 is 2.2. This means that when the data set is smoothed using a 5-mean smoothing technique, the value at coded time 5 remains unchanged at 2.2.

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• 27.

### Using the above data set (TS7C1), what is the5-mean smoothed value for coded time 4? (1 decimal place)

Explanation
The 5-mean smoothed value for coded time 4 is 2.2. This means that the value at coded time 4 is the same as the original value without any smoothing applied.

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• 28.

### Using the above data set (TS7C1), what is the5-mean smoothed value for coded time 3? (1 decimal place)

Explanation
The 5-mean smoothed value for coded time 3 is 3.2.

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