Question: A research analyst believes that average back-to-school spending is less than a trade group's prediction of $606. Write the null hypothesis Ho and alternative hypothesis

  1. A research analyst believes that average back-to-school spending is less than a trade group's prediction of $606.
    1. Write the null hypothesis Ho and alternative hypothesis Ha.
    2. Is this a right-tailed, left-tailed, or two-tailed test?

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