Table 3 Descriptive statistic of raw data of coral Sr/Ca from MCA (LAM) and Enggano (KN2) samples.

From: Modern and sub-fossil corals suggest reduced temperature variability in the eastern pole of the Indian Ocean Dipole during the medieval climate anomaly

KN2 monthly

LAM monthly

Mean

8.903

Mean

8.758

Standard error

0.003

Standard error

0.002

Median

8.900

Median

8.755

Standard deviation

0.054

Standard deviation

0.036

Sample variance

0.003

Sample variance

0.001

Kurtosis

5.047

Kurtosis

1.150

Skewness

1.301

Skewness

0.790

Range

0.415

Range

0.209

Minimum

8.766

Minimum

8.682

Maximum

9.180

Maximum

8.891

Sum

3739

Sum

2093

Count

420

Count

239

Confidence level (95.0%)

0.005

Confidence level (95.0%)

0.005

KN2 annual

LAM annual

Mean

8.907

Mean

8.756

Standard error

0.005

Standard error

0.004

Median

8.906

Median

8.763

Standard deviation

0.034

Standard deviation

0.024

Sample variance

0.001

Sample variance

0.001

Kurtosis

3.183

Kurtosis

0.255

Skewness

0.873

Skewness

0.465

Range

0.193

Range

0.101

Minimum

8.835

Minimum

8.700

Maximum

9.028

Maximum

8.801

Sum

356

Sum

350

Count

40

Count

40

Confidence level (95.0%)

0.011

Confidence level (95.0%)

0.008

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