Write the Word or Phrase That Best Completes Each Statement $$\mathrm { D } = 24 \left[ 1 - \frac { \cos ^ { - 1 } ( \tan \mathrm { i } \tan \theta ) } { \pi } \right]$$

question 143

Short Answer

Write the word or phrase that best completes each statement or answers the question.
Solve the problem.
-The formula
$$\mathrm { D } = 24 \left[ 1 - \frac { \cos ^ { - 1 } ( \tan \mathrm { i } \tan \theta ) } { \pi } \right]$$
can be used to approximate the number of hours of daylight when the declination of the sun is $i ^ { \circ }$ at a location $\theta ^ { \circ }$ latitude for any date between the vernal equinox and autumnal equinox. To use this formula, $\cos ^ { - 1 }$ ( $\tan i \tan \theta$ ) must be expressed in radians. Approximate the number of hours of daylight in Flagstaff, Arizona, ( $35 ^ { \circ } 13 ^ { \prime }$ north latitude) for summer solstice $\left( \mathrm { i } = 23.5 ^ { \circ } \right)$ . orth

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A measure of the variability or dispersion of a sampling distribution, often used in the context of mean or proportion estimates.

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The probability distribution of a given random-sample-based statistic.

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A measure of the dispersion or spread in a set of data points, indicating how much the values in a dataset differ from the mean.