An Educational Testing Service Designed an Achievement Test So That$$H _ { 0 } : \sigma ^ { 2 } = 4900 \text { vs. } H _ { a } : \sigma ^ { 2 } 4900 \text { using } \alpha = .025 \text {. Assume the range is } 6 \sigma \text {. }$$

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An Educational Testing Service Designed an Achievement Test So That$$H _ { 0 } : \sigma ^ { 2 } = 4900 \text { vs. } H _ { a } : \sigma ^ { 2 } > 4900 \text { using } \alpha = .025 \text {. Assume the range is } 6 \sigma \text {. }$$

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The Answer of An Educational Testing Service Designed an Achievement Test So That$$H _ { 0 } : \sigma ^ { 2 } = 4900 \text { vs. } H _ { a } : \sigma ^ { 2 } > 4900 \text { using } \alpha = .025 \text {. Assume the range is } 6 \sigma \text {. }$$

An Educational Testing Service Designed an Achievement Test So That

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