The mean score on the ACT test was 21.5 and the standard deviation was 5.0. The mean score on the SAT mathematics test was 515 and the standard deviation was 100. Suppose that Emma earned a 26 on the ACT test and Jose earned a 605 on the SAT math test. Who scored higher, relative to the test? Group of answer choices Verbal They did equally well on both tests Numerical Reasoning

Q: For the mathematics part of the SAT the mean is 514 with a standard deviation of 113, and for the…

A: According to the given information in this questionWe need to identify the correct option

Q: One sample of scores has a mean of M = 45 and a sample size of n = 10 scores.  A second sample of…

A:

Q: On a nationwide math test, the mean was 75 and the standard deviation was 7. If Roberto scored 70,…

A: The z score indicates how many standard deviations that a data points away from the mean. It can be…

Q: In a boys' school, there are 40 students in grade 9. The weight of the students was measured. The…

A: It is given asMean, μ = 55Standard deviation, σ = 2.5

Q: An instructor wanted to know if his students are better at math or writing. He had students take…

A: c) Here, In the SPSS output, it can be seen that the P-value is equal to 0.387. The significance…

Q: Ten randomly chosen commuters with meal plans were asked how many swipes they used per week. The…

A: n1 = 10x¯1 = 18.2now add 2 students.x11 =15x12 = 17new mean = ?

Q: The mean and standard deviation of players' heights for the 2003 NBA season were H 79.5 inches and o…

A: A z-score (also called a normal score) gives an indication of how far from the mean a data point is.

Q: If the grades are normally distributed and 8 students received a B, how many students took the…

A: Let C denote the grades of students. Given that X follows N(mean = 82, SD = 5), then  Z = (X -…

Q: Just answer #3 please. Question 2 has the information needed for question 3.

A: In this question we need to answer which standard deviation Sam will prefer, before we have to know…

Q: Complete parts (a) and (b). a. If three students scored 75 on a test and three other students scored…

A: The mean is the average of the dataset which is obtained by dividing the sum of all items present in…

Q: Ages of Gamblers The mean age of a sample of 22 people who were playing the slot machines is 49.3…

A: (a) State the hypotheses.

Q: The mean score of 25 students in an English test is 85. If three more students took the test and had…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: The mode score on a statistics exam was 83. Which of these interpretations is correct? A.More…

A: Given information Mode score on a statistics exam = 83 Mode = The number having highest frequency is…

Q: b. The test statistic ? O (please show your answer to 3 decimal places.) c. The p-value = |(Please…

A: a. The hypothesis is, Null hypothesis: H0:μ1=μ2 Alternative hypothesis: H1:μ1<μ2 b. The pooled…

Q: Emily and Hillary began arguing about who did better on their tests, but they couldn't decide who…

A: Note: Hi there! Thank you for posting the question. To avoid the Plagiarism issue we have used the…

Q: Jim and Pat are both taking Calculus. Jim scored 92 on a test in his class. The average on the test…

A: To find: Who actually did better? Include the Z-scores as part of the answer.

Q: Joey took examinations in Algebra, Physics, Chemistry and English and scored 84, 79, 88 and 93…

A:

Q: Calculate the range of the following scores.  Although the book shows two ways of calculating range,…

A: Calculate range of                                      The scores:   87, 75, 94, 58, 59, 92, 88,…

Q: The stem-and-leat display repr members of the class. Identify the mean, median and mode for the data…

A: According to the given information, we have The stem and leaf is given. Data 47 50 55 57 63 64 64 66…

Q: Tom runs a large animal shelter. At Tom's shelter, the length of stay for puppies has a mean of 76…

A: Given,mean(μ)=76standard deviation(σ)=13and X=41

Q: What proportion of a normal distribution is located above the mean?

A: z-score: z-score is a standardized score which tells about how many standard deviations does a data…

Q: Suppose you were told you scored two standard deviation below the mean on a measure where the main…

A:

Q: standardized algebra test in different states. Kaitlyn takes the test for Virginia and scores a 458.…

A:

Q: Members Best Investment Bank created a global product. The research team found the product mean was…

A: The given mean is 123 and standard deviation is 46.

Q: a student had 93% in chemistry had a class average of 85% and standard deviation of 8%. the same…

A: Consider that the mean and standard deviation of a random variable x are µ and σ, respectively.…

Q: Steven ran the 100 meter dash in 13 seconds.  What is his T-score if the class mean was 14 seconds…

A: t statistic

Q: The average and standard deviation for ACT scores are 20 and 3 respectively. average and standard…

A:

Q: axine and Jeremiah began arguing about who did better on their tests, but they bulant decide etter…

A: Given that.   X~N( μ , ?)   Z-score =( x - μ )/?

Q: Mary scored a 25 when the mean is 23 with a SD of 1.5 Sarah scored a 7 when the mean is 6 with a SD…

A: Given Information: Mary's score is 25 Mean μ=23 Standard deviation σ=1.5   Sarah's score is 7 Mean…

Q: A distribution has a mean of 30 and a standard deviation of 5. Approximately 68% of the distribution…

A: according to the Empirical rule .

Q: Raul received a score of 62 on a history test for which the class mean was 52 with standard…

A:

Q: For a study conducted by the research department of a pharmaceutical company, 225 randomly selected…

A:

Q: Tina's science fair project was to estimate the mean amount of chemicals in her city's water supply.…

A: Solution:  Relationship between the sample size and the confidence interval:   If the sample size or…

Q: For a statistics test the mean is 63 and the standard deviation is 7.0, and for a biology test the…

A: We know that ,Z-score=x-μσ

Q: THE RANGE OF SCORES 17,19,19,23,26

A: We know that the range is the difference between the maximum and minimum value.

Q: Find the mean and median of the class’s scores on this quiz. Round to two decimal places when needed

A: Given that  From histogram  X-axis takes X values and Y-axis takes Frequency  X Frequency = f 1…

Q: 1. The following data are the scores of the 15 Grade 8 students in their Mathematics exam. 30 14 18…

A: To find: Mean Median Mode Formulas: Meanx=∑xn , n=Total number Median = Middle Value of the Ordered…

Q: The mean score on a set of 17 tests is 85. Suppose two more students take the test and score 62 and…

A: we need to find new mean using given conditions

Q: 5. Two different 5th grade classes take the same test. In the first class of 50 students the mean…

A: Given the First class Sample size =50  Mean =70  Second class  Sample size =20  Mean =90 We have to…

Q: On a nationwide math test, the mean was 72 and the standard deviation was 7. If Roberto scored 90,…

A: Given that, Mean = 72 Standard deviation = 7