The average interval for the population is expected to be 300 days, but you find that your sample has a mean interval of 290 days and a standard deviation of 50 days. The t-score is then (290â300)/(50/15^0.5) or â0.775.
It takes Mars about 687 Earth days (1.882 Earth years) to orbit the Sun.The orbital path of Mars is about twice that of Earth. Mars orbits about 227 million kilometers away from the Sun. The planet travels a distance of approximately 1.43 billion kilometers (888 million miles) in 686.971 Earth days.It takes 1.88 years for mars to make one revolution around the sun.enus orbits the sun in approximately 225 Earth days. (224.70069 days) Strange as it may seem, Venus rotates so slowly that a day on Venus is longer than its year. It take â¦ s Venus about 243 Earth days to spin once on its axis. The slow rotation is also in a retrograde (clockwise) direction, from east to west.
A sidereal day on Mars lasts 24 hours 37 minutes and 22 seconds. The solar day is how long it takes the Sun to return to the meridian. This position changes slightly each day, but a solar day on Mars lasts 24 hours 39 minutes and 35 seconds. Length of a day on Mars.