The following table records the daily temperature ranges in a city: | Range (°C) |…

MATHEMATICS · Subjective · CBSE · Mathematics · Statistics · Statistics

Problem

The following table records the daily temperature ranges in a city:
Range (°C)70–8080–9090–100100–110
Frequency3k104
If the mean temperature of the data is 90 °C, calculate the missing frequency k.

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