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PLZ HELP NEED ANSWER NOW. school administrator believes that the mean class GPAs for a given course are higher than the preferred mean of 2.75 at a significance level of 0.05, and checks a randomly chosen sample of 50 classes. Create a histogram, and calculate x, the t-statistic, and the p-value.
2.59
2.43
2.96
2.80
2.94
3.07
2.65
2.79
2.61
2.90
3.14
2.78
2.50
2.78
2.52
2.60
2.86
2.88
2.78
3.09
2.82
2.72
2.98
2.68
2.87
2.86
2.78
2.73
2.62
2.77
2.90
3.02
2.73
2.87
2.63
2.98
2.52
2.81
2.91
2.71
3.07
2.89
2.93
2.64
2.94
2.81
2.85
2.89
2.79
2.86

Sagot :

mirogaor

Answer:

i do not know because i am a 4rth grader

khuranashilpa76

The mean GPA is greater than 2.75.

A= 4.zero, A- = 3.7, B+ = 3.three, and many others). total the first-class factors, and overall the credit hours. Divide the overall satisfactory points by means of the overall credit score hours.

What is mean GPA?

Grade point average (GPA) is the measure used to summarise your instructional fulfillment at Griffith. After the ebook of final grades every trimester, your software and career.

GPA is calculated and could be utilized by the college to tell choices, which include the subsequent: educational progression.

Divide the total range of grade factors earned with the aid of the total number of letter-graded units undertaken.

mean GPA = total/50

                     ⇒2.75.

Learn more about mean class GPAs here:-https://brainly.com/question/1599653

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