The Hill of Tara is located in south-central Meath, not far from Dublin, Ireland. Tara is...

 

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The Hill of Tara is located in south-central Meath, not far from Dublin, Ireland. Tara is of great cultural and archaeological importance, since it is by legend the seat of the ancient high kings of Ireland. For more information, see Tara: An Archaeological Survey, by Conor Newman, Royal Irish Academy, Dublin. Magnetic surveying is one technique used by archaeologists to determine anomalies arising from variations in magnetic susceptibility. Unusual changes in magnetic susceptibility might (or might not) indicate an important archaeological discovery. Let x be a random variable that represents a magnetic susceptibility (MS) reading for a randomly chosen site on the Hill of Tara. A random sample of 120 sites gave the readings shown in the table below. Magnetic Susceptibility Readings, centimeter-gram-second × 10¯6 (cmg × 10¯6) Magnetic Susceptibility 0≤x≤ 10 10 < x < 20 30/120 = 0.25 54 54/120 0.45 0.15 18 18/120 20 < x < 30 30 < x < 40 "very interesting" 12 12/120 0.10 "hot spot" 40 ≤ x 6 6/120 0.05 What is a statistical experiment? How could the magnetic susceptibility intervals 0 < x < 10, 10 ≤ x < 20, and so on, be considered events in the sample space of all possible readings? A statistical experiment is any Each possible outcome has an associated-Select-- Comment "cool" "neutral" "warm" --Select--- ---Select--- a probability usually taken from ---Select-- ---Select--- simple event sample space random activity nonrandom activity an outcome a probability a relative frequency V a probability distribution a normal distribution intervals. Because each interval is ---Select--- Number of Readings 30 Estimated Probability ✓hat results in a definite ---Select--- Ö---Select--- ci outcome probability relative frequency probability distribution normal distribution e For this experiment, the outcomes for magnetic susceptibility are ---Select--- ---Select--- a verbal description a collection of one or more readings a collection of one or more outcomes an estimated probability a sample space ******** ---Select--- dir outcome probability relative frequency probability distribution normal distribution ✓that can be assigned to one of the five ---Select--- non-negative values non-positive values positive values negative values , it can be considered an event in the sample space of all possible readings. The Hill of Tara is located in south-central Meath, not far from Dublin, Ireland. Tara is of great cultural and archaeological importance, since it is by legend the seat of the ancient high kings of Ireland. For more information, see Tara: An Archaeological Survey, by Conor Newman, Royal Irish Academy, Dublin. Magnetic surveying is one technique used by archaeologists to determine anomalies arising from variations in magnetic susceptibility. Unusual changes in magnetic susceptibility might (or might not) indicate an important archaeological discovery. Let x be a random variable that represents a magnetic susceptibility (MS) reading for a randomly chosen site on the Hill of Tara. A random sample of 120 sites gave the readings shown in the table below. Magnetic Susceptibility Readings, centimeter-gram-second × 10¯6 (cmg × 10¯6) Magnetic Susceptibility 0≤x≤ 10 10 < x < 20 30/120 = 0.25 54 54/120 0.45 0.15 18 18/120 20 < x < 30 30 < x < 40 "very interesting" 12 12/120 0.10 "hot spot" 40 ≤ x 6 6/120 0.05 What is a statistical experiment? How could the magnetic susceptibility intervals 0 < x < 10, 10 ≤ x < 20, and so on, be considered events in the sample space of all possible readings? A statistical experiment is any Each possible outcome has an associated-Select-- Comment "cool" "neutral" "warm" --Select--- ---Select--- a probability usually taken from ---Select-- ---Select--- simple event sample space random activity nonrandom activity an outcome a probability a relative frequency V a probability distribution a normal distribution intervals. Because each interval is ---Select--- Number of Readings 30 Estimated Probability ✓hat results in a definite ---Select--- Ö---Select--- ci outcome probability relative frequency probability distribution normal distribution e For this experiment, the outcomes for magnetic susceptibility are ---Select--- ---Select--- a verbal description a collection of one or more readings a collection of one or more outcomes an estimated probability a sample space ******** ---Select--- dir outcome probability relative frequency probability distribution normal distribution ✓that can be assigned to one of the five ---Select--- non-negative values non-positive values positive values negative values , it can be considered an event in the sample space of all possible readings.

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